Perhaps you should try some spelling variations:
formal transfers » formal transfer, informal transfers, informal transfer
data transfer » cash transfer, heat transfer
transfer der » transfer fees, transfer _
de formal » die formal, de forma, die formale
vagues de » vague de, values de, langues de
luis de » luis e
de data » e data, wide data, de datos
der cao » der ca, der can, der cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis de formal transfers _ acao ) or ( vagues de data transfer der cao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis de formal transfers _ acao ) OR ( vagues de data transfer der cao ))*.