Perhaps you should try some spelling variations:
technologies credit » technologies create, technologies reduce
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
information need » information needs, information based, information age
development en » development menu, development can, development _
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 credit information need de mass communication costs _ development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies credit information need de mass communication costs _ development en afrique.*.