Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
losung du » losung d, losung der, losung fur
yuan hui » yuan fei, jaan hui, tuan hua
pei yang » wei yang, hui yang, pei yun
yang ii » yang di, yang xi, yang yi
des » does

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)) yuan hui pei yang ii ((losung du) OR (losung des)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) yuan hui pei yang ii ((losung du) OR (losung des)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang liang) or (yang yang)) yuan hui pei yang ii ((losung du) OR (losung des)) ;*".