Perhaps you should try some spelling variations:
personal communication » interpersonal communication
leur developpement » le developpement, deux developpements, de developpement
developpement l » developpement il, developpement la, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation de » variation des, variation der, variation due
des personal » des personals, der personal, das personal
l afrique » en afrique
de des » ende des, rede des, code des

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation de des personal communication a leur developpement l afrique.*.