Perhaps you should try some spelling variations:
data communication » data communications
de developpement » sme development
des variation » does variation, de variation, der variation
variation das » variation des, variation data, variations des
des afrique » en afrique, de l'afrique
dem data » dpm data, em data, them data
das dem » das der, das den, des dem

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

• Performing a fuzzy search may retrieve terms with similar spellings: (typologie or typology) des variation das dem data communication _ de developpement des afrique.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (typologie OR typology) des variation das dem data communication _ de developpement des afrique.*.