Perhaps you should try some spelling variations:
information based » information case, information bank, transformation based
clean development » human development, urban development
efforts clean » efforts dean, exports clean, efforts real
china april » china africa
based dm » based dna, based ndc, based na
dm mass » das mass

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 based dm mass communication efforts clean development china april.~.
• Adding a wildcard symbol may retrieve word variants: technology _ information based dm mass communication efforts clean development china april.*.