Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
de developpement » sme development
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
1.1 de » 1.1 die, 1.1 der, 2.1 de

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 1.1 de developpement l afrique.*.