Perhaps you should try some spelling variations:
power transformers » power transformer, pour transformer, power transforming
basic transport » bus transport, gas transport, benin transport
transport em » transport en, transport et, transport amp
guias de » guia de, guide de, aguas de
de power » de poder, me power, dwde power
3 basic » 2 basic, 1 basic, 3.1 basic
4.3 can » 2.3 can, 4.3 clean, 4.3 case
luis 3 » luis f, luis c, luis a

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 basic transport em acao ) or ( guias de power transformers ((4.3 can) OR (4.3 cnn)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis 3 basic transport em acao ) OR ( guias de power transformers ((4.3 can) OR (4.3 cnn)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis 3 basic transport em acao ) or ( guias de power transformers ((4.3 can) OR (4.3 cnn)) ))".
• Adding a wildcard symbol may retrieve word variants: (( luis 3 basic transport em acao ) or ( guias de power transformers ((4.3 can) OR (4.3 cnn)) ))*.