Perhaps you should try some spelling variations:
informal transfer » informal transfers, formal transfer, informal transport
license transfer » gene transfer
transfer costs » transport costs, transfer amounts
del informal » do informal, older informal, _ informal
transfer der » transfer fees, transfer _
costs chap » costs ch, costs chapter
langues de » langue de, langages de, langue du
de license » _ license, 6 license, 7 license
aguas del » aguas de, aguas do
der caso » de caso, del caso, der cas

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: (( aguas del informal transfer costs chap ) OR ( langues de license transfer der caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas del informal transfer costs chap ) or ( langues de license transfer der caso ))*.