Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication 1901 » communication 101, communication 10, communication 1.1
leur developpement » le developpement, deux developpements, de developpement
developpement l » developpement il, developpement la, developpement de
typologien de » typologien der, typologie des, typologie der
rolf personal » roles personal, from personal
de variation » der variation, die variation, does variation
1901 leur » 1901 les, 1901 zur
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 de variation _ rolf personal communication 1901 leur developpement l afrique.*.