Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication cost » communication costs, communication costa, communications costs
information 10.4 » information 1.2, information 1.3, information 14.3
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
ein personal » ein persona, non personal, e personal
developing e » developing _, developing a, developing east
10.4 ein » 10.4 being, 10.4 die, 10.4 enf
cost 3.2 » cost 2.4
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 10.4 ein personal communication cost 3.2 developing e areas.*.