Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
de longue » der longue, de langue, de langues
longue du » langue du, long du, longue duree
yan guan » gan guan, yan yuan, yang guang
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 yang))) or (yan guan)) 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 yang))) OR (yan guan)) tan hua ((pei yang) OR (pei yun)) de longue du ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang liang) OR (yang yang))) or (yan guan)) tan hua ((pei yang) or (pei yun)) de longue du ;".
• Adding a wildcard symbol may retrieve word variants: ((((yang liang) OR (yang yang))) or (yan guan)) tan hua ((pei yang) or (pei yun)) de longue du ;*.