Perhaps you should try some spelling variations:
personal communication » interpersonal communication
der developpements » des developpements, deux developpements, de developpement
developpements l » developpements de, developpement il, developpement la
variation being » variation bei, variation using, variation among
maybe personal » manage personal, have personal, more personal
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
l afrique » en afrique
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation being maybe personal communication a der developpements l afrique.*.