Perhaps you should try some spelling variations:
oral communication » personal communication
education series » education services, educational services, education systems
d developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
ideologie der » ideologie und, typologie der
der education » der educational, under education, peer education
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 education series vii oral communication media d developpement l afrique.*.