Perhaps you should try some spelling variations:
transfer schemes » transfer scheme, transfer systems
a transformed » _ transformed, _ transformer, a transforming
schemes pro » schemes prior, schemes part, schemes2 pre
2.1 macao » 2.1 macro, 2.1 lacan, 2.1 mao
1 macao » _ macao, 1 macro
agua 1 » agua 2, agua _, agua y
1 heat » 1 wheat, 10 heat, c1 heat
e a » et 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 1 heat transfer schemes pro ) OR ( agua e a transformed ((1 macao) OR (2.1 macao)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agua 1 heat transfer schemes pro ) or ( agua e a transformed ((1 macao) OR (2.1 macao)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( agua 1 heat transfer schemes pro ) or ( agua e a transformed ((1 macao) OR (2.1 macao)) ))*.