Perhaps you should try some spelling variations:
communication service » communication services, communications services, telecommunication services
oral communication » mobile communication, _ communication, risk communication
rural development » social development
information gaps » information gap, information flows, information needs
technologies a » technologies _
development co » development _, development a, development case
a information » _ information, land information, award information
service rural » service rules

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 gaps de oral communication service rural development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps de oral communication service rural development co afrique.*.