Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
technologies daf » technologies dans, technologies a, technologies de
information case » information based, information can, information costs
daf information » f information, math information, 2 information
3 development » 2 development
china afrique » china africa
network 3 » network _
case 4 » case 1, case 2, case 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies daf information case 4 data communication network 3 development china afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies daf information case 4 data communication network 3 development china afrique.*.