Perhaps you should try some spelling variations:
service telecommunication » mobile telecommunication, services communication, rural telecommunication
telecommunication a » telecommunication _, telecommunication law, telecommunication el
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
de variations » de variation, 1er variations, ier variations
typologie de » typologie des, typologie der, typologien der
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologie de variations _ debt service telecommunication a der developpement en afrique.*.