Perhaps you should try some spelling variations:
fras communication » lea's communication, class communication, plans communication
information costs » information contents, information centers, information content
development works » development work, development workshop, development network
works africa » towns africa
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
4.1 fras » 4.1 frau, 4.1 frames, 4.1 firms
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information costs 4.1 fras communication media a development works africa.*.