Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
iii losung » die losung, i losung
losung der » losung des
yang yang » wang yang, wang yan
pei yang » wei yang, hui yang
tuan vu » thanh vu, tuan hua
yi yang » yin yang, yi gang, yu yang
pei yun » lei kyun, mei yung, wei yuan

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang liang) OR (yang yang)) tuan vu ((((pei yang) OR (yi yang))) OR (pei yun)) iii losung der ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang yang)) tuan vu ((((pei yang) or (yi yang))) or (pei yun)) iii losung der ;*.