Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information games » information gaps, information gap, information goods
child development » world development
development co » development case, development china
technology 1 » technology _
costs child » costs china
co africa » can africa, do african, 1 africa
games do » frames do, games das, games _
do data » eo data, go data, geo data

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information games do data communications costs child development co africa.*.