Perhaps you should try some spelling variations:
transfer schemes » transfer scheme, transfer systems
sa transforming » a transforming, tea transforming, way transforming
data transfer » cash transfer, heat transfer
schemes pt » scheme pt, schemes part, schemes pro
vague de » vagues de, langue de, vue de
how acao » how arab, how co
de sa » de la

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: (( eu wide data transfer schemes pt ) OR ( vague de sa transforming ((how acao) OR (how can)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( eu wide data transfer schemes pt ) or ( vague de sa transforming ((how acao) OR (how can)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( eu wide data transfer schemes pt ) or ( vague de sa transforming ((how acao) OR (how can)) ))*.