Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
development banks » development bank
information age » information storage, information access, information about
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
models verbal » models several, models versus, models global
4 development » 2 development, 4 developing
banks africa » bank's africa, bank africa, bank 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 a information age models verbal communication costs 4 development banks africa.*.