Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies sheet » technologies sector, technologies affect, technologies create
mass communication » risk communication, _ communication, mobile communication
sheet information » chief information, debt information, student information
information needs » information flows, information networks
child development » world development
needs a » needs _, need a
a mass » _ mass, air 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 sheet information needs a mass communication costs child development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sheet information needs a mass communication costs child development _ afrique.*.