The Bloods, also known as (OBF) Original Blood Family, are a primarily, though not exclusively, African-American street gang founded in Los Angeles, California. The gang is widely known for its rivalry with the Crips.
What to look for. Boolean operators form the basis of mathematical sets and database logic. 1  They connect your seach words together to either narrow or broaden your set of results.2  The three basic boolean operators are: AND, OR, and NOT. For example, Google automatically puts an AND in between your search terms. 2  Though all your search terms are included in the results, they may not be connected together in the way you want. 3  For example, this search: college students test anxiety is translated to: college AND students AND test AND anxiety.
This can get kind of confusing but it's important to see some examples in order to familiarize yourself with the idea here. Just know the Boolean Operators AND, OR and NOT exist between keywords and each operator has a different purpose which will effect your search results in different ways.You see the last example even uses parenthesis () called nesting and has a specific purpose that will be explained below. boolean search might look like this: toads AND stools, or toads OR stools, or toads OR stools AND ponds, or even (toads OR stools) AND ponds.