Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
information centre » information centers, information contents
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
development aid » development a, development africa, development agenda
4 development » 2 development, 4 developing
centre does » centre des, century does, centre de
does class » does cash, does cross, does mass
aid areas » arid areas, land areas, grid areas
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information centre does class communication costs 4 development aid areas.*.