Perhaps you should try some spelling variations:
oral communication » personal communication
information gaps » information gap
development band » development bank, development banks
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
band afrique » en afrique
gaps de » gaps do, camps de, gaps new
de oral » de otras, new oral

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 _ human development band afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps de oral communication _ human development band afrique.*.