Perhaps you should try some spelling variations:
clean development » human development, urban development
information act » information age, information a, information about
efforts clean » efforts dean, exports clean, efforts real
china africa » cpia africa, china asia
ice mass » ice masses, ice caps
act ice » act like, act irca

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology _ information act ice mass communication efforts clean development china africa.~.
• Adding a wildcard symbol may retrieve word variants: technology _ information act ice mass communication efforts clean development china africa.*.