Perhaps you should try some spelling variations:
transfer systems » transport systems, transit systems
labor transfers » land transfers, water transfers
cash transfer » cash transfers
language flow » language from, language flavor, language face
transfers 1 » transfers _, transfers 3, transfers 2
flow labor » low labor, how labor, law labor
vague die » vague de, vagues de
die cash » did cash, die causa, does cash
acao » cacao, macao, cao

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: (( vague die cash transfer systems across ) OR ( language flow labor transfers 1 acao ))~.
• Adding a wildcard symbol may retrieve word variants: (( vague die cash transfer systems across ) or ( language flow labor transfers 1 acao ))*.