Perhaps you should try some spelling variations:
cash communications » faso communications, data communications, cell communications
developpement en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation far » variation der, variation a, variation law
does cash » does csr
far does » der does
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: typologien der variation far does cash communications ((a du) OR (a de)) developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologien der variation far does cash communications ((a du) or (a de)) developpement en afrique.*.