Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation using » variations during, variation und, variation among
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
using raw » using real, using road, using a

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation using raw data communications _ au developpement en afrique.*.