Perhaps you should try some spelling variations:
china full » china fall, china fur
tuan china » wuhan china, can china, taiwan china
duong anh » dang anh, trong anh
duong van » cong van
wang hui » wang hua, wang zhi, wang he
wang wei » zhang wei, wang zhi
yang yi » yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((duong anh) OR (duong van)) tuan china full ((yang yi) or (yang di)) ((wang hui) or (wang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((duong anh) OR (duong van)) tuan china full ((yang yi) OR (yang di)) ((wang hui) OR (wang wei)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((duong anh) OR (duong van)) tuan china full ((yang yi) or (yang di)) ((wang hui) or (wang wei)) ;".
• Adding a wildcard symbol may retrieve word variants: ((duong anh) OR (duong van)) tuan china full ((yang yi) or (yang di)) ((wang hui) or (wang wei)) ;*.