Perhaps you should try some spelling variations:
nonverbalen communication » nonverbal communication, nonverbale kommunikation, conversation communication
leur developpement » le developpement, deux developpements, de developpement
variation series » education series, action series, edition series
developpement en » developpement et, developpement des, developpement de
der nonverbalen » der verbalen
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
series der » serien der, series de, series d

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

• Adding a wildcard symbol may retrieve word variants: typology des variation series der nonverbalen communication a leur developpement en afrique.*.