Perhaps you should try some spelling variations:
water communication » master communication, matter communication, layer communication
de developpement » sme development
informations 20 » informations und, informations sur, informations och
years water » years later, year water, years after
des afrique » en afrique, de l'afrique
20 years » 10 year
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informations 20 years water communication a de developpement des afrique.*.