Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
wang yuhan » wang luhang, wang yan, wang yidan
zhang wei » zhen wei
wei liang » wei qiang, wee liang, wei shang
liang sun » liang dan, liang tan, wing sun
fang a » fang _, facing a, fang xia
lang a » lang 3, lang _, erlang a

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuhan ((fang a) OR (lang a)) china zhang wei liang sun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan ((fang a) OR (lang a)) china zhang wei liang sun ;*".