Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications cost » communications costs, communications cross, communication costs
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information 1.2 » information 1.5.2, information 2
der personal » der personalen, der personen, der person
a developing » a development
developing 2 » developing _, developing a, developing e
1.2 der » 2.2 der, 3.2 der, 4.2 der
2 areas » 1 areas, 2 areal, 4 areas
cost a » cost _, cost 4, cost 5

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 1.2 der personal communications cost a developing 2 areas.*.