Perhaps you should try some spelling variations:
rural telecommunication » rural telecommunications, digital telecommunication, mobile telecommunication
telecommunication ziel » telecommunication el, telecommunication lines, telecommunication niger
des developpement » des developpements, de developpement, le developpement
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
des afrique » en afrique, de l'afrique
bus rural » has rural
ziel des » ziele des, ziel der, ziele der

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ bus rural telecommunication ziel des developpement des afrique.*.