Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wei yang's » yiwei wang's
yan liang » yang liang, wang liang, you liang
ii losung » iii losung, i losung, die losung
losung du » losung d, losung des, losung der
yuan hui » yuan fei, jaan hui, tuan hua
hui wei » hua wei

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan liang) or (yang guang)) yuan hui wei yang's ii losung du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang guang)) yuan hui wei yang's ii losung du ;*.