Perhaps you should try some spelling variations:
china wang » china yang, china chang, china zhang
than china » tuan china, han china, wuhan china
wang yang » wang yan, wang liang, wang yanling
yang feng » yang yang, yang fan, yang jing
tan chia » tuan china, can china, dan china
feng fei » meng fei, wang fei, feng hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: (qian OR jian) jun ((tan chia) or (than china)) china wang yang feng fei ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (qian OR jian) jun ((tan chia) OR (than china)) china wang yang feng fei ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(qian OR jian) jun ((tan chia) or (than china)) china wang yang feng fei ;*".