Perhaps you should try some spelling variations:
changed china » change china, exchanges china, exchange china
changed iea » change iea, changed a, changed lives
hyoung hai » hong hai
wang man » wang yan, wang ban, wang dan
yang min » yang mind, tang min, yang lin
yang jin » yang jie, yang jun, ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang man ((changed iea) or (changed china)) gene ((yang min) OR (yang jin)) hyoung hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang man ((changed iea) OR (changed china)) gene ((yang min) OR (yang jin)) hyoung hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang man ((changed iea) or (changed china)) gene ((yang min) OR (yang jin)) hyoung hai ;*".