Perhaps you should try some spelling variations:
transfer scheme » transfer systems
i transformed » vi transformed, _ transformed, a transformed
transformed a » transformed _, transformed 1, transformer 1
scheme prior » schemes prior, scheme from, schemes pro
aguas del » aguas de, aguas do
a macao » a macro, _ macao
2 des » 2 der, a des, 3 des
2 das » 1 das
del i » del ii

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 des) OR (2 das)) transfer scheme prior ) OR ( aguas del i transformed a macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( agua ((2 des) or (2 das)) transfer scheme prior ) or ( aguas del i transformed a macao ))*.