Perhaps you should try some spelling variations:
ocean transport » urban transport, green transport, sea transport
data transforms » data transform, data transfers, data transforming
transforms em » transforms _, transforms a, transforms b
transport em » transport en, transport et, transport amp
luis debt » luis de, u.s debt
f ocean » _ ocean, 1 ocean, 3 ocean
macro » micro

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis debt data transforms em acao ) or ( luis f ocean transport em (macao OR macro) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis debt data transforms em acao ) OR ( luis f ocean transport em (macao OR macro) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis debt data transforms em acao ) or ( luis f ocean transport em (macao OR macro) ))".
• Adding a wildcard symbol may retrieve word variants: (( luis debt data transforms em acao ) or ( luis f ocean transport em (macao OR macro) ))*.