Perhaps you should try some spelling variations:
yang liang » wang liang, yang yang, peng liang
yang guang » yang yang, yan guan
yan liang » wang liang, you liang, yan wang
tuan hua » tan hua, tuan vu, yuan hui
pei yang » hui yang, pei yun, yi yang
wei yang » wei wang, wei yang's, wei shang
di long » i long, de long, ii long
long du » long d, long do, long run

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang liang) OR (yan liang))) OR (yang guang)) tuan hua ((pei yang) OR (wei yang)) di long du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang liang) or (yan liang))) or (yang guang)) tuan hua ((pei yang) OR (wei yang)) di long du ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yang liang) or (yan liang))) or (yang guang)) tuan hua ((pei yang) OR (wei yang)) di long du ;*.