Perhaps you should try some spelling variations:
transfer scheme » transfer systems
scheme apss » scheme less
a transfer » cash transfer, heat transfer, data transfer
values de » values add, values _, values a
de a » de la, de sa, der a
do a » do _, do i, d a
dr a » dr h, dr e

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: (( values de a transfer scheme apss ) OR ( vagues ((do a) OR (dr a)) transformed _ cao ))~.
• Adding a wildcard symbol may retrieve word variants: (( values de a transfer scheme apss ) or ( vagues ((do a) or (dr a)) transformed _ cao ))*.