Perhaps you should try some spelling variations:
oral communication » personal communication
variation series » education series, action series, edition series
smes development » sme development, sms development, pme's development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
series werner » riess werner, series series, states werner
werner oral » einer oral, gegner moral, werner frank
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation series werner oral communication _ smes development 1 afrique.*.