Talvez debería tentar con algunhas variantes ortográficas:
communication introduction » communications introductory, communication information, communication satisfaction
introduction theory » introduction history, introduction theoretical
basics clear » basic nuclear
basic linear » quasi linear, basic life
mass linear » bases linear, class linear, less linear

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication introduction theory design ((((basics clear) or (basic linear))) or (mass linear))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication introduction theory design ((((basics clear) OR (basic linear))) OR (mass linear)).
• Adding a wildcard symbol may retrieve word variants: communication introduction theory design ((((basics clear) or (basic linear))) or (mass linear))*.