Perhaps you should try some spelling variations:
wang liang » wang yang
yan guan » gan guan, yan yuan, yang guang
yuan hui » yuan fei, jaan hui, tuan hua
yang y.c » yang yao, yang 4.3, yang yue
hui wei » hua wei
yang yi » yang di, yang xi, yang jui
long du » long d, long do, long run

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) or (yan guan)) yuan hui wei ((yang y.c) OR (yang yi)) ((long du) or (long did)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (yan guan)) yuan hui wei ((yang y.c) OR (yang yi)) ((long du) OR (long did)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) or (yan guan)) yuan hui wei ((yang y.c) OR (yang yi)) ((long du) or (long did)) ;*".