Perhaps you should try some spelling variations:
service telecommunication » mobile telecommunication, services communication, rural telecommunication
telecommunication a » telecommunication _, telecommunication law, telecommunication el
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
variation 6 » variation _, variations _, variation des
des service » des services, de service, das service
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 de variation 6 des service telecommunication a de developpement en afrique.*.