Perhaps you should try some spelling variations:
close communication » elite communication, prone communication, vote communication
technologies 4 » technologies _
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
4 information » 2 information, 1 information
developing em » developing e, developing eq, developing amp
contents mot » contents map, contents co, contents how
mot close » how close, mev close, so close
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
em africa » 1 africa

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 mot close communication costs 3.1 developing em africa.*.