Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
yang xian » yang qixian, yang liang, yang dean
yan guan » gan guan, yan yuan, yang guang
tuan hua » tan hua, tuan vu, yuan hui
pei yang » wei yang, hui yang, pei yun
gong hui » tong hui, tong shui, gong si
wang hui » wang hua, wang zhi, wang wei

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)) ((ya hua) or (tuan hua)) pei yang xian ((gong hui) OR (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yan guan)) ((ya hua) OR (tuan hua)) pei yang xian ((gong hui) OR (wang hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yan guan)) ((ya hua) or (tuan hua)) pei yang xian ((gong hui) OR (wang hui)) ;*".