Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
use communication » une communication, de communication, causes communication
child development » world development
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
21st innovation » cost innovation, 2.1.5 innovation, costs innovation
innovation act » innovation a, innovation als, innovation impact
development li » development lid, development lie, development lin
cost child » boost child, cbt child, out child
li afrique » l afrique, en afrique
act can » act clean

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

• Adding a wildcard symbol may retrieve word variants: technology 21st innovation act can use communication cost child development li afrique.*.