Perhaps you should try some spelling variations:
basic mechanical » basic mechanisms, basic mechanism, dynamic mechanical
mechanical paper » mechanical proper, mechanical power, mechanical powers
basil mechanical » basics mechanical, based mechanical, biaxial mechanical
ani technical » api technical, ai technical, asi technical
world basic » world music, world bicssc
work ani » work ai, work any, work anu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((( world basic mechanical paper ) OR ( lord basil mechanical paper ))) OR ( work ani technical papers )).
• Adding a wildcard symbol may retrieve word variants: (((( world basic mechanical paper ) or ( lord basil mechanical paper ))) or ( work ani technical papers ))*.