Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang amin » yang lin, yang mind
ya ching » la chine, mo ching, te ching
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, zhong tai, dang hai
a china » 2 china, 4 china, 3 china
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)) ((ya ching) or (a china)) hui ((yang amin) OR (yang jin)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (dong sin)) ((ya ching) OR (a china)) hui ((yang amin) OR (yang jin)) hong hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (dong sin)) ((ya ching) or (a china)) hui ((yang amin) OR (yang jin)) hong hai ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (dong sin)) ((ya ching) or (a china)) hui ((yang amin) OR (yang jin)) hong hai ;*.