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 ii » developing ai, developing ict, developing cil
century 8.3 » century 2.3, century 3.3, century 4.3
costa 2.3 » costs 2.3, cost 2.3, costs 12.3
ii africa » ii afrika, ii america, 1 africa
8.3 real » 3.3 real, 8.3 red

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 8.3 real communication costa 2.3 developing ii africa.*.