Perhaps you should try some spelling variations:
csr communication » de communication, 3 communication, 4 communication
developpement en » developpement et, developpement des, developpement de
variation der » variation des, variation bei, variation _
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
der der » oder der, der de, der den
der csr » does csr
_ add » _ aid

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: typologie de variation der der csr communication ((1 add) OR (_ add)) developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologie de variation der der csr communication ((1 add) or (_ add)) developpement en afrique.*.