Perhaps you should try some spelling variations:
transfer schemes » transfer scheme, transfer systems
schemes prior » schemes pro, schemes fair
transformed 1 » transformed _, transformer 1, transformed a
der transfer » der transfers, den transfer, peer transfer
1 macao » _ macao, 1 macro, 2.1 macao
e der » _ der, 2 der, 3 der
et a » et al, et la

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 e der transfer schemes prior ) OR ( agua ((et a) OR (e a)) transformed 1 macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( agua e der transfer schemes prior ) or ( agua ((et a) or (e a)) transformed 1 macao ))*.