Perhaps you should try some spelling variations:
personal communication » interpersonal communication
en developpement » et developpement, de developpement, le developpement
variation using » variations during, variation und, variation among
developpement l » developpement il, developpement la, developpement de
apologien does » apologie des, apologien der
does variation » de variation, der variation, die variation
does personal » des personal, roles personal, des personals
using does » using deep, being does, using aes
l afrique » en afrique
a en » a ein, av en, a ten

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

• Adding a wildcard symbol may retrieve word variants: apologien does variation using does personal communication a en developpement l afrique.*.