Perhaps you should try some spelling variations:
data communication » data communications
des developpements » deux developpements, de developpement, et developpements
developpements des » developpement des, developpements de, developpement de
variation des » variation _, variation 6, variation series
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
des afrique » en afrique, de l'afrique
costs data » cost data
des costs » gas costs, bus costs, d costs
media des » media das, media der, media modes

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

• Adding a wildcard symbol may retrieve word variants: typology de variation des costs data communication media des developpements des afrique.*.