Perhaps you should try some spelling variations:
liberia's transport » iberian transport, india's transport, slovakia's transport
transformation a » transformation _
c liberia's » _ liberia's
transport a » transport _, transport data
a macau » _ macau, z macau, a macaque
a acao » a adocao
luis c » luis f

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis _ digital transformation a acao ) or ( luis c liberia's transport a macau ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis _ digital transformation a acao ) OR ( luis c liberia's transport a macau )).
• Adding a wildcard symbol may retrieve word variants: (( luis _ digital transformation a acao ) or ( luis c liberia's transport a macau ))*.