Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication series » communication services, communication systems, communication skills
de developpement » sme development
typologien does » typologie des, typologien der, typologie der
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
est verbal » post verbal, des verbal
series de » series d, series e, series new
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation _ est verbal communication series de developpement l afrique.*.