Perhaps you should try some spelling variations:
social transfert » social transfers, social transfer, local transfers
formal transport » informal transport, rural transport, local transport
costs chapter » cost chapter, courts chapter, posets chapter
transfert del » transfert de, transfert des, transfer der
langues rica » langues la
rica social » africa social, america social, african social
i formal » i formale, ii formal, _ formal
del caso » el caso, de caso, del campo
agens i » agens vs, agensi 5

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: (( agens i formal transport costs chapter ) OR ( langues rica social transfert del caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( agens i formal transport costs chapter ) or ( langues rica social transfert del caso ))*.