Perhaps you should try some spelling variations:
personal communication » interpersonal communication
development second » development beyond, development section, development sectors
area development » asia development, career development, africa development
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
der personal » der personalen, der personen, der person
des der » des dr, des ddr, des dem
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation des der personal communication _ area development second afrique.*.