Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies energy » technologies general, technology energy, technologies any
information 3 » information 2
era personal » a personal, der personal, e personal
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 2 areas, 4 areas
3 era » 3 erga, _ era, 0 era

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

• Adding a wildcard symbol may retrieve word variants: technologies energy information 3 era personal communication costs 4 developing 1 areas.*.