Perhaps you should try some spelling variations:
transfer system » transfer systems, transport system, transit system
transformed a » transformed _, transformed 1, transformer _
transformer 1 » transformer _, transformed _
den transfer » gene transfer, heat transfer, data transfer
system power » systems power, system paper, system peter
agua el » agua e, aguas del
agua 2 » agua e, agua _, agua y
2 den » _ den, 2 der, 2 des
el a » e a, et a, en a

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: (( agua 2 den transfer system power ) OR ( agua el a ((transformed a) OR (transformer 1)) macao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agua 2 den transfer system power ) or ( agua el a ((transformed a) OR (transformer 1)) macao ))~".
• Adding a wildcard symbol may retrieve word variants: (( agua 2 den transfer system power ) or ( agua el a ((transformed a) OR (transformer 1)) macao ))*.