Perhaps you should try some spelling variations:
communication data » communication 3, communication 1, communication 3.3
based development » basin development, land development, rapid development
development cases » development case, development phases, development based
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
information 2 » information 3
cases africa » crises africa, passes africa, rates africa
data based » data used
cda de » caida de
2 cda » 2 cds, 2 cia, 2 csa

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 cda de communication data based development cases africa.*.