Perhaps you should try some spelling variations:
has transfers » cash transfers, des transfers, gas transfer
transfer tax » transfer taxes, transfer _
guias debt » guias de
tax acao » tax act
debt has » debt cash, debt a, debt how
f heat » _ heat, a heat, 1 heat
end ai » end aids
end a » send a, end _, en a

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis f heat transfer tax acao ) OR ( guias debt has transfers ((end a) OR (end ai)) ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis f heat transfer tax acao ) or ( guias debt has transfers ((end a) or (end ai)) ))*.