Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
technologies 4 » technologies _
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
4 information » 2 information, 1 information
developing iv » developing av, developing ict, developing cil
contents pas » contents part, contents fase, contents a
iv africa » v africa, 1 africa, em africa
cost 1.4 » cost 14.4, cost 2.4, cost 1.2
pas de » cas de

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 pas de communication cost 1.4 developing iv africa.*.