Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
clean development » human development, urban development, child development
development china » development bank, development a
information need » information needs, information based, information age
gap information » can information, care information, bank information
technology gap » technology park, technology _, technology ict

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology gap information need de _ communication efforts clean development china april.~.
• Adding a wildcard symbol may retrieve word variants: technology gap information need de _ communication efforts clean development china april.*.