Perhaps you should try some spelling variations:
better communication » written communication, external communication, disaster communication
des developpement » des developpements, de developpement, le developpement
variation series » education series, action series, edition series
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
des afrique » en afrique, de l'afrique
series dc » series c, series d, series de
dc better » do better, dam better, dog better

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

• Adding a wildcard symbol may retrieve word variants: typology der variation series dc better communication _ des developpement des afrique.*.