Perhaps you should try some spelling variations:
personal communication » interpersonal communication
typologies does » typologie des, typologie der, typologien der
does variation » de variation, der variation, die variation
development de » development d, development ds, developpement de
variation des » variation _, variation 6, variation series
des personal » des personals, der personal, das personal
de afrique » de l'afrique, en afrique, l afrique
des des » des deas, des dem, des der
a gas » _ gas, 2 gas, 3 gas

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

• Adding a wildcard symbol may retrieve word variants: typologies does variation des des personal communication a gas development de afrique.*.