Perhaps you should try some spelling variations:
transfer costs » transport costs, transfer amounts
mass transfer » cash transfer, basin transfer, mass transport
den transfer » gene transfer, heat transfer, data transfer
costs based » cost based, costs case, hots based
luis a » luis f, luis c
luis 1 » luis f, luis c, luis e
1 mass » a mass
a den » _ den, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis a den transfer _ martin ) or ( luis 1 mass transfer costs based ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis a den transfer _ martin ) OR ( luis 1 mass transfer costs based ))*.