Perhaps you should try some spelling variations:
wang luhang » wang liang, wang lihong, wang yuhan
luhang fang » zhang fang
cheng zhang » cheng han, zhen zhang, chen zheng
yuan cheng » yuan chang, huang cheng, yu cheng
fang yuan » wang yuhan, wang yan, meng yuan
box cong » box cost, box wing
box cox » box box, box cost

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang luhang fang yuan cheng zhang ((box cong) OR (box cox)) sun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang luhang fang yuan cheng zhang ((box cong) OR (box cox)) sun ;*".