Perhaps you should try some spelling variations:
service telecommunication » mobile telecommunication, services communication, rural telecommunication
telecommunication 3 » telecommunication _, telecommunication el, telecommunication law
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
e service » e services, debt service, care service
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ e service telecommunication 3 der developpement de l'afrique.*.