Perhaps you should try some spelling variations:
oral communication » personal communication
development banks » development bank
information gaps » information gap
gap information » sap information, amp information, erp information
technology gap » technology 1, technology 2.2, technology 3
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: technology gap information gaps de oral communication efforts _ development banks afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology gap information gaps de oral communication efforts _ development banks afrique.*.