Perhaps you should try some spelling variations:
technologies health » technology health, technologies create
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
development urban » development bank, development band, development update
information et » information act, information _, information need
urban africa » urban area, rural africa
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 health information et de mass communication costs _ development urban africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies health information et de mass communication costs _ development urban africa.*.