Perhaps you should try some spelling variations:
transfer agents » transfer payments, transfer amounts, transfer payment
mass transfer » cash transfer, basin transfer, mass transport
den transfer » gene transfer, heat transfer, data transfer
agents based » agent based, segments based, arts based
transfer f » transfer _, transfer 3, transfer 4
f martin » c martin, f marten, f martyn
luis a » luis c
f mass » _ mass, a mass, 1 mass
a den » _ den, a der, a des

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 a den transfer f martin ) OR ( luis f mass transfer agents based ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a den transfer f martin ) or ( luis f mass transfer agents based ))*.