Perhaps you should try some spelling variations:
learners transform » leaders transform, changers transform, legendre transform
do learners » do learner, how learners, _ learners
transfer 3 » transfer _, transfer 4, transfer a
aguas do » aguas de, aguas del
ist mann » ist dann, ist denn, ist ganz
guias 1 » guias de
3 macao » _ macao, 3 macro
1 heat » 1 wheat, 10 heat, c1 heat

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 do learners transform ((test mann) OR (ist mann)) ) OR ( guias 1 heat transfer 3 macao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas do learners transform ((test mann) OR (ist mann)) ) or ( guias 1 heat transfer 3 macao ))~".
• Adding a wildcard symbol may retrieve word variants: (( aguas do learners transform ((test mann) OR (ist mann)) ) or ( guias 1 heat transfer 3 macao ))*.