Perhaps you should try some spelling variations:
wei yang's » yiwei wang's
yan liang » yang liang, wang liang, you liang
yan guan » gan guan, yan yuan, yang guang
yuan hua » tuan hua, yuan hui, tan hua
wei yang » pei yang, wei wang, wei shang
ii long » i long, ii losung
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: ((yan liang) or (yan guan)) yuan hua ((wei yang) OR (wei yang's)) ii long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yan guan)) yuan hua ((wei yang) OR (wei yang's)) ii long du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yan guan)) yuan hua ((wei yang) OR (wei yang's)) ii long du ;*".