Perhaps you should try some spelling variations:
communication model » communication media
information needs » information networks
mine development » sme development, trade development, business development
bank afrique » en afrique, bank africa, bank african
model mine » model fine, model male, model mit
needs de » needs men, needs one, needs _
de risk » e risk, de risi, edge risk

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs de risk communication model mine development bank afrique.*.