Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien platas » technologies places, technologien als, technologien digital
platas information » states information, data information, laws information
communication cost » communication costs, communication costa, communications costs
information 5.2.1 » information 5.2.2, information 5.3.1, information 3.2.1
a developing » a development
developing 4 » developing _, developing a, developing e
2 personal » 1 personal, 4 personal
5.2.1 2 » 5.2.1 _, 5.2.1 a, 1.2.1 2
4 areas » 1 areas, 2 areas, 4 areal
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 platas information 5.2.1 2 personal communication cost a developing 4 areas.*.