Perhaps you should try some spelling variations:
water communication » master communication, matter communication, layer communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
informations 10 » informationen 10, informations und, informations sur
years water » years later, year water, years after
de afrique » de l'afrique, en afrique, l afrique
10 years » 10 year, 20 years, 50 years
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informations 10 years water communication a des developpement de afrique.*.