Perhaps you should try some spelling variations:
social transfer » social transfers
transfers costs » transfer costs, transfer cost, transfers foster
de informal » do informal, _ informal, 3 informal
transfer de » transfer der, transfer fee, transfer bei
vagues de » vague de, values de, langues de
langue en » langue et, langues et, langue de
en social » den social, open social, even social
costs ch » costs cash, costs chap, costs _
de case » de cause, ode case, pde case

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: (( vagues de informal transfers costs ch ) OR ( langue en social transfer de case ))~.
• Adding a wildcard symbol may retrieve word variants: (( vagues de informal transfers costs ch ) or ( langue en social transfer de case ))*.