Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
2 communication » 3 communication, 4 communication, 1 communication
3.3 developing » 4 developing, 2 developing, 1 developing
costs debates » los debates, concepts debates
developing iv » developing av, developing ict, developing cil
technology 1 » technology _
debates 2 » debates 12, debates _, debates y
iv africa » v africa, 1 africa, em africa
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information costs debates 2 communication cost 3.3 developing iv africa.*.