Perhaps you should try some spelling variations:
china chang » chin chang, china changqi, china china
china zhang » cheng zhang, chin chang, china han
dan phan » van phan, dan pelan, dan pad
ann hong » amin hong, wang hong, tan hong
man han » man hat, man can, man kann
hong yu » wong yue
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 ((dan phan) or (man han)) ((china chang) OR (china zhang)) ann hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling ((dan phan) OR (man han)) ((china chang) OR (china zhang)) ann hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((dan phan) or (man han)) ((china chang) OR (china zhang)) ann hong yu ;*".