Perhaps you should try some spelling variations:
ideias transport » ideas transport, india's transport, liberia's transport
transport fuel » transport fares
transfer em » transfer beim, transfer der, transfer fee
debt heat » debt great, debt debt, debt has
u.s debt » u.s debate, its debt
f ideias » 2 ideas, _ ideis

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( u.s debt heat transfer em acao ) or ( luis f ideias transport fuel (macro or micro) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( u.s debt heat transfer em acao ) OR ( luis f ideias transport fuel (macro OR micro) )).
• Adding a wildcard symbol may retrieve word variants: (( u.s debt heat transfer em acao ) or ( luis f ideias transport fuel (macro or micro) ))*.