Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
data communication » data communications
does variation » de variation, der variation, die variation
typology does » typologie des, apology do's, typology how
des l'afrique » de l'afrique, de l'amerique
variation 5 » variation _, variation 6, variation a
costs data » cost data
5 costs » 3 costs, 4 costs, 5 cost

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

• Adding a wildcard symbol may retrieve word variants: typology does variation 5 costs data communication media leur developpement des l'afrique.*.