Perhaps you should try some spelling variations:
cell communications » cell communication, health communications, rural communications
das developpement » des developpements, de developpement, du developpement
communications a » communications _, communications law, communications media
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
using rates » using gated, using rules, pumping rates
des afrique » en afrique, de l'afrique
a das » 1 das, 2 das, 3 das
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation using rates cell communications a das developpement des afrique.*.