Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
information 2.7 » information 2.2, information 3.2, information 1.2
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
non personal » 1 personal, 4 personal, 2 personal
a developing » a development
2.7 non » 4.7 non, 3.7 non, 5.2.7 non
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 2.7 non personal communications costs a developing _ areas.*.