Perhaps you should try some spelling variations:
communication model » communication media
information speed » information sheet, information needed, information needs
development banks » development bank
3 development » 2 development
banks africa » bank's africa, bank africa, bank african
speed poor » speed per
poor risk » poor rice

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information speed poor risk communication model 3 development banks africa.*.