Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
developing zones » developing ones, developing one, developing one's
technologies 4 » technologies _
4 information » 2 information, 1 information
contents new » contexts new, contents how, contents je
3 developing » 3 development
zones africa » rates africa, towns africa, works africa
new class » new cases, new cross
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents new class communication costs 3 developing zones africa.*.