Perhaps you should try some spelling variations:
csr communications » csr communication, cell communications, chad communications
developpement de » developpement des, developpement durable
variation aid » variation im, variation und, variation a
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
de afrique » de l'afrique, en afrique, l afrique
aid does » card does, aid days, aid do
does csr » does cash
a du » a d, a u, _ du
a de » a die, a der, a des

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: typology de variation aid does csr communications ((a du) OR (a de)) developpement de afrique.~.
• Adding a wildcard symbol may retrieve word variants: typology de variation aid does csr communications ((a du) or (a de)) developpement de afrique.*.