Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information century » information centers, information centre, information center
real communication » oral communication, cell communication, health communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
century 3.3 » century 3.1, century 2.3, century 3.2
costa 2.3 » costs 2.3, cost 2.3, costs 12.3
a africa » 1 africa, can africa, em africa

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 century 3.3 real communication costa 2.3 developing a africa.*.