Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
de longue » der longue, de langue, de langues
longue du » langue du, long du, longue duree
pei yang » wei yang, hui yang, yi yang
tan hua » tuan hua, wang hua, tan chia
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 (yang guang)) tan hua ((pei yang) or (pei yun)) de longue du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang guang)) tan hua ((pei yang) OR (pei yun)) de longue du ;.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) tan hua ((pei yang) or (pei yun)) de longue du ;*.