Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication 10.1 » communication 1.1, communication 101, communication 4.1
les developpement » le developpement, des developpements, leur developpement
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
rolf personal » roles personal, from personal
l afrique » en afrique
10.1 les » 20.1 les, 10.1 key, 10.1 der

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ rolf personal communication 10.1 les developpement l afrique.*.