Perhaps you should try some spelling variations:
communication services » telecommunications services
rural communication » rural communications, oral communication, moral communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
services der » services de, services des, services under
es rural » has rural, 2 rural, 4 rural

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation _ es rural communication services der developpement en afrique.*.