Perhaps you should try some spelling variations:
yang liang » wang liang, yang yang, peng liang
yan liang » wang liang, you liang, yan wang
tuan hua » tan hua, tuan vu, yuan hui
hui yang » hui ying, du yang, h yang
yang xi » yang di, yang yi, yang jui
xi cong » li cong, jiu cong, xi cheng
nan ya » nan yan, nana yaa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yang liang) or (yan liang))) or (nan ya)) ((ya hua) or (tuan hua)) hui yang xi cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang liang) OR (yan liang))) OR (nan ya)) ((ya hua) OR (tuan hua)) hui yang xi cong shu ;*.