Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
csr communication » de communication, 3 communication, 4 communication
technologies 4 » technologies _
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
4 information » 2 information, 1 information
contents 3.1 » contents 1, contents _, contents map
developing a » developing _
cost 3.2 » cost 2.4
a africa » 1 africa, can africa, em africa
3.1 csr » 2.1 csr, 3.1 case, 3.1 cash

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 3.1 csr communication cost 3.2 developing a africa.*.