Perhaps you should try some spelling variations:
oral communication » personal communication
child development » world development
information need » information needs, information needed, information speed
development band » development bank, development banks
costs child » costs china
band africa » bank africa, bank african, can africa
need de » need le, need fide, need one
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information need de oral communication costs child development band africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information need de oral communication costs child development band africa.*.