Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
di losung » die losung, i losung, d losung
tuan hua » tan hua, tuan vu
yuan hui » yuan fei, jaan hui, yang hui
pei yang » wei yang, hui yang, yi yang
pei yun » lei kyun, mei yung, wei yuan
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 yang) or (yang guang)) ((tuan hua) or (yuan hui)) ((pei yang) or (pei yun)) di losung des ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) ((tuan hua) OR (yuan hui)) ((pei yang) OR (pei yun)) di losung des ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) ((tuan hua) or (yuan hui)) ((pei yang) or (pei yun)) di losung des ;*.