Perhaps you should try some spelling variations:
transfer schemes » transfer scheme, transfer systems
al transformed » a transformed, has transformed, law transformed
transformed de » transformed _, transformed 1, transformed a
head transfer » heat transfer, heart transfer, load transfer
schemes pro » schemes prior, schemes part, schemes2 pre
agua et » agua e
de cao » de caso, de cabo, de capo

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 _ head transfer schemes pro ) OR ( agua et al transformed de cao ))~.
• Adding a wildcard symbol may retrieve word variants: (( agua _ head transfer schemes pro ) or ( agua et al transformed de cao ))*.