Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
than china » han china, wuhan china, can china
shen chang » when change, chin chang, han chang
ha huong » dao huong, a hong, ma hong
yan hua » tan hua, ya hua, wang hua
ha hong » a hong, ma hong, hu hong
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 yan ((yan hua) or (((than china) or (tuan china)))) shen chang ((ha hong) OR (ha huong)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yan hua) OR (((than china) OR (tuan china)))) shen chang ((ha hong) OR (ha huong)) shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yan hua) or (((than china) or (tuan china)))) shen chang ((ha hong) OR (ha huong)) shu ;".
• Adding a wildcard symbol may retrieve word variants: wang yan ((yan hua) or (((than china) or (tuan china)))) shen chang ((ha hong) OR (ha huong)) shu ;*.