Perhaps you should try some spelling variations:
transformation de » transformation der, transformation des, transformation die
la transformation » a transformation, data transformation, die transformation
transfer scheme » transfer systems
scheme prior » schemes prior, scheme from, schemes pro
aguas de » aguas del, aguas do, vagues de
agua de » agua e, aguas del, agua pre
heat » head
cas » case, cash, cars

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( agua _ heat transfer scheme prior ) or ( ((agua de) OR (aguas de)) la transformation de cas ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( agua _ heat transfer scheme prior ) OR ( ((agua de) OR (aguas de)) la transformation de cas ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agua _ heat transfer scheme prior ) or ( ((agua de) OR (aguas de)) la transformation de cas ))*".