Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication cost » communication costs, communication costa, communications costs
technologien does » technologien des, technologien als, technologie de
information 2.2.2 » information 12.2.2, information 2.3.2, information 3.2.2
does information » des informations, dis information, users information
why personal » my personal, a personal, 1 personal
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
2.2.2 why » 2.2.1 why, 3.2.2 why
4 access » 2 access, 3 access
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 2.2.2 why personal communication cost 4 developing 4 access.*.