Perhaps you should try some spelling variations:
oral communication » personal communication
information case » information based, information can, information costs
technical chief » technical brief, technical changes, technical change
bank africa » bank's africa, can africa, banking africa
case new » use new
new oral » new moral, knew moral, new rural

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

• Performing a fuzzy search may retrieve terms with similar spellings: technical chief information case new oral communication efforts _ development bank africa.~.
• Adding a wildcard symbol may retrieve word variants: technical chief information case new oral communication efforts _ development bank africa.*.