
You are watching: What is the result of a search for the string "tank tread*"?
A find string is a combination of keywords, truncation symbols, and also boolean operator you get in intothe search box the a library database or find engine.

Boolean operators room connector words, such together AND, OR, and also NOT, that are used to incorporate or exclude words in a search string for an ext focused results.
Operator | Examples | Results |
AND | business and ethicscooking and also Spain | Results contain all of the search terms. |
OR | hotels OR motelswww OR world vast webtheater OR theatre | Results contain any kind of of the find terms, yet not necessarily all of them. |
NOT | java no coffeeClinton no Bill | Excludes results containingthe 2nd search term. |
For example, looking on sport* would lug up variations such together sport, sports, sporting, sporty, etc.
Note: The truncation symbol varies by database. Above the database’s “help” or “search tips” pages because that details.
This tool is designed come teach you how to create a search string using Boolean logic. Cut and also paste the search string results right into the find box of a library database or search engine.
Concept 1 | and | Concept 2 | and | Concept 3 | |
Name your concepts here | |||||
Search terms | Search terms | Search terms | |||
List alternating terms because that each concept. These can be synonyms, or they can be certain examples the the concept. Use single words, or "short phrases" in estimates | or or or or |
For more advanced

Search Strategies | Examples |
Queries space not case sensitive. | Barack Obama and barack obama create the very same results. |
Results will typically include every word or punctuation mark included in the query. Some stop words orexceptions apply. | |
Keep queries descriptive, but use as few terms as possible. Avoid organic language. | Use colorado statehood instead ofwhen walk colorado very first become a state. |
Google instantly truncates search terms.To protect against this, usage a + authorize in prior of every term. | Aquery top top child retrives results with "children" and "childcare". |
Use dual quotations clues (" ")to search termsas precise phrase. | A ask on "Barack Hussein Obama II" will certainly retrieve just those sites that describe Obama through his fullname. Sites that describe him as simply "Barack Obama" may be overlooked. |
Use the site: attribute to limit your results to a specific website or class of websites. | The questions cloning site:online.wsj.com will just retrieve articles about cloning native the online version of the wall surface Street Journal. A query on cloning site:.gov will just retrieve outcomes within the government domain. |
To enable for either of numerous words to appear in your results, use the OR operator. The operator have to be in all caps. See more: Melville, Poe, And Hawthorne Are Considered Romantic Writers. | A questions on hotel OR lodging OR inn will retrieve outcomes with any or all of these terms. |