Perhaps you should try some spelling variations:
service telecommunication » mobile telecommunication, services communication, rural telecommunication
development manuel » developpement manuel, development model, development master
sme development » trade development
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
des service » des services, de service, das service
des des » des deas, des dem, des der

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

• Adding a wildcard symbol may retrieve word variants: typology des variation des des service telecommunication _ sme development manuel afrique.*.