Perhaps you should try some spelling variations:
walter communication » water communication, master communication, matter communication
communication model » communication media
de developpement » sme development
developpement de » developpement des, developpement durable
technologie und » technologies 2.1
patch walter » hatch walter, nach walter, burch walter
de afrique » de l'afrique, en afrique, l afrique
model de » model due, model d, model du
a patch » a path, _ patch

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

• Adding a wildcard symbol may retrieve word variants: technologie und innovation a patch walter communication model de developpement de afrique.*.