Perhaps you should try some spelling variations:
der transformation » die transformation, zur transformation, energy transformation
transformation als » transformation a, transformation _, transformation 1
based transfer » based transfers, basin transfer, basin transfers
transfer 3 » transfer _, transfer 4, transfer a
guias d » guias de
d based » 3 based, bdd based, cfd based

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 OR agua) two der transformation als _ ) OR ( guias d based transfer 3 case ))~.
• Adding a wildcard symbol may retrieve word variants: (( (aguas or agua) two der transformation als _ ) or ( guias d based transfer 3 case ))*.