Perhaps you should try some spelling variations:
person communication » personal communication, personal communications, irsn communication
communication 6.3 » communication 3.3, communication 4.3, communication 1.3
area development » asia development, career development, africa development
typologie unter » typologie der, typologie und, typologie einiger
unter variation » number variation, gender variation, der variation
development eco » development second, development east, development menu
variation bei » variation des, variation der, variation _
eco afrique » en afrique
der person » per person, der personen, older persons
6.3 area » 1.3 area, 4.3 areas, 3.3 areas

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

• Adding a wildcard symbol may retrieve word variants: typologie unter variation bei der person communication 6.3 area development eco afrique.*.