Perhaps you should try some spelling variations:
a communication » _ communication, _ communications, mass communication
development aid » development a, development bank, development _
technologies a » technologies _
a information » _ information, land information, award information
flows debt » low debt
debt a » debt _

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 debt a communication networks _ development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information flows debt a communication networks _ development aid afrique.*.