Perhaps you should try some spelling variations:
change threat » change great
change heat » change health, change great, change has
yan yuan » yan guan, fang yuan, nan yan
yang jun » yang jui, pang jun, yang jin
tan yong » tan hong, tan kong, tan yang
yong ii » yong kim, yong cai
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling ((yan yuan) or (yang jun)) tan yong ii ((change heat) OR (change threat)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((yan yuan) OR (yang jun)) tan yong ii ((change heat) OR (change threat)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((yan yuan) or (yang jun)) tan yong ii ((change heat) OR (change threat)) ;*".