Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
development bank's » development banks, development banking, development band
communication 7.1 » communication 4.1, communication 1, communication 3.3
city development » capacity development, policy development, community development
bank's africa » banking africa
about das » about dark, about dead, about a
das open » das ode, das one
7.1 city » 1.1 city, 6.1 city, 7.1 cile

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information about das open communication 7.1 city development bank's africa.*.