Perhaps you should try some spelling variations:
informal communication » internal communication, information communication, internal communications
communication india » communication media, communications media
variation using » variations during, variation und, variation among
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
dbs informal » vs informal, b informal, do informal
des afrique » en afrique, de l'afrique
using dbs » using dcs, using ddms, using dits

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation using dbs informal communication india _ developpement des afrique.*.