Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information age » information storage, information access, information about
developing bank » developing brand, development bank, developing based
technologies 2 » technologies _, technologies 4
models verbal » models several, models versus, models global
4 developing » 3 developing
bank african » bank africa, pan african, baga african
age models » wage models, cge models, stage models
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information age models verbal communication costs 4 developing bank african.*.