Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
communication mode » communication model, communication modes, communication module
development early » development east, development europe, development essays
information need » information needs, information needed, information speed
mode social » model social, more social, code social
only class » only cash
need only » read only, need one, used only

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information need only class communication mode social development early afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information need only class communication mode social development early afrique.*.