Perhaps you should try some spelling variations:
heat transform » heat transfer, heat transport, haar transform
transform test » transform teams, transform tvdft, transform fft
der transfers » des transfers, net transfers, die transfers
der transfer » den transfer, peer transfer, far transfer
luis dlf » luis de
der cas » der casa, der case, der ca

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: (( luis f ((der transfer) OR (der transfers)) der cas ) OR ( luis dlf heat transform test _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis f ((der transfer) OR (der transfers)) der cas ) or ( luis dlf heat transform test _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis f ((der transfer) OR (der transfers)) der cas ) or ( luis dlf heat transform test _ ))*.