Perhaps you should try some spelling variations:
mass communication » risk communication, _ communication, mobile communication
technology health » technology has
information needs » information flows, information networks
urban development » human development
development a » development _, development bank, development banks
needs de » needs _, needs a
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: technology health information needs de mass communication _ urban development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology health information needs de mass communication _ urban development a afrique.*.