Perhaps you should try some spelling variations:
social transfert » social transfers, social transfer, local transfers
transfers costs » transfer costs, transfer cost, transfers foster
transfert de » transfer der, transfert et, transfer _
do informal » who informal, _ informal, 3 informal
costs chap » costs ch, costs chapter
langues 12 » langues de, langues et, langues la
12 social » 1.2 social, 2 social, 1 social
aguas do » aguas de, aguas del
de caso » de casos, de cas, de castro

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 do informal transfers costs chap ) OR ( langues 12 social transfert de caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas do informal transfers costs chap ) or ( langues 12 social transfert de caso ))*.