Perhaps you should try some spelling variations:
idea transformers » power transformers, 3 transformers, _ transformers
sea transport » road transport, bus transport
transport du » transport _, transport a, transport 4
guias key » guias de
guias new » guides new, gui'an new, guide new
key idea » key ideas, very idea, key item
du cacao » de acao, du capo
new sea » new set, new asean, new seed

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guias key idea transformers _ acao ) or ( guias new sea transport du cacao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guias key idea transformers _ acao ) OR ( guias new sea transport du cacao )).
• Adding a wildcard symbol may retrieve word variants: (( guias key idea transformers _ acao ) or ( guias new sea transport du cacao ))*.