Perhaps you should try some spelling variations:
wang liang » wang yang
zhang minh » zhang ming, zhang xin, chang min
ying yang » yang yang, ying chang, wang yang
yin yang » yi yang, yin fang, yin hang
xi zhang » li zhang, xiao zhang, bin zhang
long du » long do, long run, long did
long d » long do, long _, long 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang ((ying yang) OR (yin yang)) xi zhang minh ((long du) or (long d)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((ying yang) OR (yin yang)) xi zhang minh ((long du) OR (long d)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((ying yang) OR (yin yang)) xi zhang minh ((long du) or (long d)) ;*".