Perhaps you should try some spelling variations:
social transfers » fiscal transfers
transfers costs » transfer costs, transfer cost, transfers foster
transfers der » transfer der, transfert de, transfers bei
costs chap » costs ch, costs chapter
langues de » langue de, langages de, langue du
de social » die social, code social, age social
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 _ informal transfers costs chap ) OR ( langues de social transfers der caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas _ informal transfers costs chap ) or ( langues de social transfers der caso ))*.