Perhaps you should try some spelling variations:
personal communication » interpersonal communication
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
variation among » starvation among, formation among, variation von
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
does personal » des personal, roles personal, des personals
among does » among boys, among les, among donors
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: apologien der variation among does personal communication a des developpements en afrique.*.