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How can I search:

Introduce the keyword or keywords that better define the subject you are looking for. You can use only the root of the word to obtain a wide result. (with "comput" you will obtain "computer, computational, computation..." )

Also you can make your search with one or more words together. ( "car city man" ) With the booleans "AND" and "OR" and parenthesis you can specify the search for having a more precise searchresult. ( "car and (city or nature)" ).