Perhaps you should try some spelling variations:
transfer letters » transfer center, transfers better, transfer fees
letters across » centers across, patterns across, clusters across
transfer beim » transfer bei, transfers bei, transfer axiom
den transfer » gene transfer, heat transfer, data transfer
de transfer » de transfert, der transfer, d transfer
basis des » basis der
beim daun » bei daun, beim bau
des den » es den, des dem, des der
sein » seine, ein, seen

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: (( luis sein de transfer letters across ) OR ( basis des den transfer beim daun ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis sein de transfer letters across ) or ( basis des den transfer beim daun ))*.