Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information 1.5.2 » information 1.2, information 2
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
der personal » der personalen, der personen, der person
3 developing » 3 development
developing 2 » developing _, developing a, developing e
1.5.2 der » 3.5.2 der, 5.5.2 der, 1.5.4 der
costs 3 » costs _, costs 4, costs a
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information 1.5.2 der personal communication costs 3 developing 2 areas.*.