Perhaps you should try some spelling variations:
social transfers » fiscal transfers
risk transfer » cash transfer
lives two » lives we, sides two
times two » takes two, sides two, times go
f social » cf social, 3 social, 4 social
use risk » case risk, e risk, de risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis f social transfers _ acao ) or ( gas use risk transfer ((lives two) OR (times two)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis f social transfers _ acao ) OR ( gas use risk transfer ((lives two) OR (times two)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis f social transfers _ acao ) or ( gas use risk transfer ((lives two) OR (times two)) ))*".