Perhaps you should try some spelling variations:
dean development » clean development, asean development, ocean development
information act » information age, information a, information about
efforts dean » efforts real, effort des, efforts data
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 dean development china africa.~.
• Adding a wildcard symbol may retrieve word variants: technology _ information act ice mass communication efforts dean development china africa.*.