Perhaps you should try some spelling variations:
personals communication » personal communication, personal communications, personal communicator
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 does » apologie des, apologien der
does variation » de variation, der variation, die variation
des personals » des personnes
among des » among les, amont des, among heis
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 does variation among des personals communication a des developpements en afrique.*.