Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
development urban » development bank, development band, development update
communication 3 » communication _, communication a
tip development » step development, trap development, amp development
technologies 2 » technologies _, technologies 4
urban africa » urban area
costs die » costs ii, costs iii, costs differ
die mass » die masse, die mais, die massen
3 tip » 3 top, _ tip, 7 tip

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information costs die mass communication 3 tip development urban africa.*.