Perhaps you should try some spelling variations:
interpersonal communication » intercultural communication
technologien des » technologien fur, technologien und, technologies 2
de interpersonal » use interpersonal, _ interpersonal, 1 interpersonal
des information » des informations, does information, dis information
information und » informations und
1 areas » 1 area, 2 areas, 4 areas
und de » und der, und des, und den

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

• Adding a wildcard symbol may retrieve word variants: technologien des information und de interpersonal communication costs _ development 1 areas.*.