Perhaps you should try some spelling variations:
idea transformers » power transformers, 3 transformers, _ transformers
basic transport » bus transport, gas transport, benin transport
transformers 3 » transformers _, transformers 4, transformers 4.3
transport em » transport en, transport et, transport amp
guias key » guias de
key idea » key ideas, very idea, key item
luis 3 » luis f, luis c, luis e
luis a » luis f, luis c
3 can » _ can

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((luis 3) OR (luis a)) basic transport em acao ) or ( guias key idea transformers 3 can ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((luis 3) OR (luis a)) basic transport em acao ) OR ( guias key idea transformers 3 can )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((luis 3) OR (luis a)) basic transport em acao ) or ( guias key idea transformers 3 can ))".
• Adding a wildcard symbol may retrieve word variants: (( ((luis 3) OR (luis a)) basic transport em acao ) or ( guias key idea transformers 3 can ))*.