Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
der developpement » de developpement, des developpements, leur developpement
variation using » variations during, variation und, variation among
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
java virtual » eva virtual, uavs virtual, wave virtual
using java » using avd
l afrique » en afrique
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation using java virtual communication a der developpement l afrique.*.