Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
yang jing » wang jing, yang jin, huang jing
chang hai » chang ha, shang hai, change has
yan ning » wang ning, yan liang, yan cong
tan yang » dan yang, tan ying, tan yong
yao yang » yang yang
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 ning) OR (yang jing)) ji ((((tan yang) or (tan hong))) or (yao yang)) china chang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan ning) OR (yang jing)) ji ((((tan yang) OR (tan hong))) OR (yao yang)) china chang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan ning) OR (yang jing)) ji ((((tan yang) or (tan hong))) or (yao yang)) china chang hai ;*".