Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
development banks » development bank
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
flows de » flows do, flows debt, flows bei
de rural » do rural, use rural, one rural

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information flows de rural communications _ system development banks afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information flows de rural communications _ system development banks afrique.*.