Perhaps you should try some spelling variations:
personal communication » interpersonal communication
development east » development southeast, development 1
du development » eu development, du developpement, 2 development
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
east afrique » east africa, east african, en afrique
variation 3 » variation _, variation 6, variation 5
3 factors » 3.2 factors
a du » a d, a de, a u

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation 3 factors personal communication a du development east afrique.*.