Perhaps you should try some spelling variations:
data communication » data communications
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
development does » development data, development 1, development 1.1
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
does afrique » en afrique, does africa
den data » dan data, dn data, open data
bei den » bei der
1.1 gas » 1.1 goals, 1.1 case, 1.1 galy

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation bei den data communication 1.1 gas development does afrique.*.