Perhaps you should try some spelling variations:
cash communications » faso communications, data communications, cell communications
developpement l » developpement il, developpement la, developpement de
der variation » de variation, does variation, die variation
variation aid » variation im, variation und, variation a
typology der » typologie der, typologien der, typologie des
does cash » does csr
l afrique » en afrique
aid does » card does, aid days, aid do
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 der variation aid does cash communications ((a du) OR (a de)) developpement l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typology der variation aid does cash communications ((a du) or (a de)) developpement l afrique.*.