Perhaps you should try some spelling variations:
transform tvdft » transform fft, transform test
data transform » data transforms, data transfer, data transfers
transfers bei » transfer bei, transfers ai, transfers ein
transfer beim » transfer bei, transfer axiom, transfer from
luis a » luis f, luis c
a den » _ den, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis a den ((transfer beim) OR (transfers bei)) maria ) or ( luis a data transform tvdft _ ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis a den ((transfer beim) OR (transfers bei)) maria ) OR ( luis a data transform tvdft _ ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis a den ((transfer beim) OR (transfers bei)) maria ) or ( luis a data transform tvdft _ ))*".