Perhaps you should try some spelling variations:
5.2 communications » 4.2 communications, 5.2 communication, 3.2 communication
communications 3.4 » communication 3.4, communications 3.3, communications 8.4
das development » dams development, gas development, does development
development min » development main, development menu, development may
variation over » variation der, variation notes, variation des
theologie die » theologie der, theologie des, theologie im
die variation » de variation, does variation, der variation
min afrique » en afrique
fdss 5.2 » dss 5.3, dss 5.4, fscs 5.2
3.4 das » 2.4 das, 3.4 data

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

• Adding a wildcard symbol may retrieve word variants: theologie die variation over fdss 5.2 communications 3.4 das development min afrique.*.