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
de longue » der longue, de langue, de langues
longue do » long do, longer do
tuan hua » tan hua, tuan vu, yuan hui
pei yang » wei yang, hui yang, yi yang
pei yun » lei kyun, mei yung, wei yuan

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 (yang guang)) tuan hua ((pei yang) or (pei yun)) de longue do ;~.
• 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 (pei yun)) de longue do ;.
• Adding a wildcard symbol may retrieve word variants: ((((yang liang) or (yan liang))) or (yang guang)) tuan hua ((pei yang) or (pei yun)) de longue do ;*.