Perhaps you should try some spelling variations:
co developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
typology des » typologie des, typologie der, typology _
other mobile » them mobile, border mobile, other models
des other » ddos other, sets other, vs other

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 other mobile communication _ co developpement en afrique.*.