Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
technologies 2 » technologies _, technologies 4
information 2 » information 3
3 developing » 3 development
developing 4 » developing _, developing a, developing e
costs 3 » costs _, costs 4, costs a
4 areas » 1 areas, 2 areas, 4 areal
2 race » _ race, a race, 3 race

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 race class communication costs 3 developing 4 areas.*.