Perhaps you should try some spelling variations:
oral communication » personal communication
technologies poor » technologies pour, technologies pro, technologies peter
communication des » communication modes, communication design, communication data
child development » world development
poor information » labor information, der information, user information
development aid » development a, development africa, development agenda
des child » does child, nets child, per child

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies poor information flows _ oral communication des child development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies poor information flows _ oral communication des child development aid afrique.*.