Perhaps you should try some spelling variations:
"luis _ green transport fares macao" » "luis _ urban transport fares macao", "luis _ carbon transport fares macao", "luis _ green transport access macao", "luis _ green transport fares macro", "luis _ green transport fares macau", "luis _ green transport fares cacao"
"luis e heat transfer em acao" » "luis e heat transfer beim acao", "luis e heat transfer der acao", "luis e heat transfer fee acao", "luis f heat transfer em acao", "luis c heat transfer em acao", "luis a heat transfer em acao", "luis _ heat transfer em acao", "luis 1 heat transfer em acao"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("luis e heat transfer em acao") or ("luis _ green transport fares macao"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("luis e heat transfer em acao") OR ("luis _ green transport fares macao"))*.
• Removing quotes may allow a broader search: (( luis e heat transfer em acao ) or ( luis _ green transport fares macao ))*.