Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
information gaps » information gap, information flows, information needs
per development » power development, spur development, power developments
technologies a » technologies _
a information » _ information, land information, award information
costs per » cost per
de mass » does mass, ice mass

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information gaps de mass communication costs per development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps de mass communication costs per development _ afrique.*.