Perhaps you should try some spelling variations:
has transfers » cash transfers, gas transfer, tax transfers
des transfers » net transfers, cash transfers, arms transfers
transfer tax » transfer taxes, transfer _
guias debt » guias de
lead cao » lead a, lead lag
luis 1 » luis f, luis c, luis a
1 heat » 1 wheat, 10 heat, c1 heat

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 1 heat transfer tax act ) OR ( guias debt ((has transfers) OR (des transfers)) lead cao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis 1 heat transfer tax act ) or ( guias debt ((has transfers) OR (des transfers)) lead cao ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis 1 heat transfer tax act ) or ( guias debt ((has transfers) OR (des transfers)) lead cao ))*.