Perhaps you should try some spelling variations:
data communication » data communications
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
systems au » systems auf, systems aus, systems a
cost data » test data
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typology der variation _ cost data communication systems au developpement l afrique.*.