Perhaps you should try some spelling variations:
has transformed » have transformed, a transformed, law transformed
transformed 1 » transformed _, transformer 1, transformed a
aguas del » aguas de
del heat » fuel heat
aguas do » aguas de
1 macao » _ macao, 1 macro, 2.1 macao
do has » dm has

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: (( aguas del heat transfer _ (mcao OR mccacao) ) OR ( aguas do has transformed 1 macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas del heat transfer _ (mcao or mccacao) ) or ( aguas do has transformed 1 macao ))*.