Perhaps you should try some spelling variations:
services communication » device communication, service telecommunication, crisis communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
des services » debt services, bus services, e services
variation 6 » variation _, variations _, variation des
6 des » 26 des, 6 does, 6 der
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: typology _ variation 6 des services communication a de developpement en afrique.*.