Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
change information » chandos information, trade information
technology change » technological change, technological changes
information gaps » information gap
costs human » sts human, ghosts humans, beasts human
6 verbal » _ verbal, 3 verbal, a verbal
gaps 6 » gaps _, gaps 3

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

• Adding a wildcard symbol may retrieve word variants: technology change information gaps 6 verbal communication costs human development 1 africa.*.