Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies energy » technologies general, technology energy, technologies any
3.3 developing » 4 developing, 2 developing, 1 developing
information 1 » information 2, information 3, information 3.2
era personal » a personal, der personal, e personal
developing 2 » developing _, developing a, developing e
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
2 areas » 1 areas, 2 areal, 4 areas
1 era » _ era, 0 era, 1 ra

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

• Adding a wildcard symbol may retrieve word variants: technologies energy information 1 era personal communication costs 3.3 developing 2 areas.*.