Perhaps you should try some spelling variations:
yang liang » wang liang, peng liang, yang guang
yan liang » wang liang, you liang, yan wang
yang yang » wang yang, wang yan
di losung » die losung, i losung, d losung
losung du » losung d, losung des, losung der
yuan hui » yuan fei, jaan hui, tuan hua
pei yang » wei yang, hui yang, pei yun

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