Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication cost » communication costs, communication costa, communications costs
information 1.3 » information 14.3, information 1.2, information 10.4
technologies 2 » technologies _, technologies 4
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
ein personal » ein persona, non personal, e personal
developing e » developing _, developing a, developing east
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
1.3 ein » 5.3 ein, 4.3 ein, 6.3 ein
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 2 information 1.3 ein personal communication cost 2.2 developing e areas.*.