Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
tuan china » wuhan china, can china, taiwan china
china pei » china peo, china pim, china pt
pei yun » lei kyun, mei yung, pei yang
eu long » au long
2 long » 3 long, 3.2 long, 6.2 long
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (yang guang)) tuan china pei yun ((((2 long) or (a long))) or (eu long)) du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (yang guang)) tuan china pei yun ((((2 long) OR (a long))) OR (eu long)) du ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (yang guang)) tuan china pei yun ((((2 long) or (a long))) or (eu long)) du ;*.