Perhaps you should try some spelling variations:
china hubei » china hubert
wang yang » wang yan, wang liang, wang yanling
china hui » china how, china has, china han
yang amin » yang jin, yang lin, yang mind
amin dang » yimin dang, amin hong
dang hari » dang hai
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (dong sin)) mao ((china hui) OR (china hubei)) yang amin dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (dong sin)) mao ((china hui) OR (china hubei)) yang amin dang hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (dong sin)) mao ((china hui) OR (china hubei)) yang amin dang hari ;*".