Perhaps you should try some spelling variations:
oral communication » personal communication
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
bank african » bank africa, pan african, baga african
about de » about due, about dead, about debt
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 can information about de oral communication a _ development bank african.~.
• Adding a wildcard symbol may retrieve word variants: technology can information about de oral communication a _ development bank african.*.