Perhaps you should try some spelling variations:
transfer scheme » transfer systems
gas transfer » cash transfer, mass transfer, a transfer
vagues die » vagues de, vague de
scheme vss » schemes vss, scheme apss, scheme less
del have » well have, all have
die gas » die gap, die gabe
do have » who have, how have

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: (( vagues die gas transfer scheme vss ) OR ( vagues ((del have) OR (do have)) transformed _ cao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( vagues die gas transfer scheme vss ) or ( vagues ((del have) OR (do have)) transformed _ cao ))~".
• Adding a wildcard symbol may retrieve word variants: (( vagues die gas transfer scheme vss ) or ( vagues ((del have) OR (do have)) transformed _ cao ))*.