Perhaps you should try some spelling variations:
oral communication » personal communication
variation series » education series, action series, edition series
d developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
series vii » series iii, series vol, series ein
l afrique » en afrique
vii oral » ii oral, iii oral, i oral
media d » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation series vii oral communication media d developpement l afrique.*.