Perhaps you should try some spelling variations:
transformer costs » transfer costs, transport costs, transformer based
dc transformer » _ transformer, 3 transformer, a transformer
costs across » scores across, risks across
den transfer » gene transfer, heat transfer, data transfer
transfer de » transfer der, transfer fee, transfer bei
de clara » de cara, _ clara, 2 clara
luis e » luis f, luis c, luis a
e den » es den, se den, _ den
rene » rent, gene

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 rene dc transformer costs across ) OR ( luis e den transfer de clara ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis rene dc transformer costs across ) or ( luis e den transfer de clara ))*.