Perhaps you should try some spelling variations:
real communication » oral communication, cell communication, health communication
communication cost » communication costs, communication costa, communications costs
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
technologie 2 » technologies 2, technologie c, technologie 3
developing iv » developing av, developing ict, developing cil
contents 3.3 » contents 3.1, content 3.3, contexts 3.3
iv africa » v africa, 1 africa, em africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologie 2 information contents 3.3 real communication cost 2.2 developing iv africa.*.