Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien nd » technologien und, technologien ad, technologie und
3.1 development » 2 development
development pan » development plan, development plans, development japan
nd information » und information, d information, od information
information im » information 2, information 1, information 1.2
de personal » der personal, des personal, de persona
pan african » pan american, can africa, pan africanism
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
im de » tim de, wim de, ii de

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information im de personal communication costs 3.1 development pan african.*.