Perhaps you should try some spelling variations:
development sectors » development sector, development actors, development section
de communication » mobile communication, online communication
sms development » smes development, dams development, gas development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
does de » does debt
a sms » _ sms, a hms, a ses

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ does de communication a sms development sectors afrique.*.