Perhaps you should try some spelling variations:
china long » china hong, china's long, china land
yang guang » yang yang, yan guan, yang liang
hsu china » hsu chin, eu china
yan yuan » yan guan, fang yuan, yan clan
das clan » das bilan, das land, das cern
long tan » hong tan, long han, long thanh
tan wong » tan hong, tan kong, tan yong
wong yue » wang yue, hong yu
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((((((yan yuan) OR (nan yan))) or (das clan))) or (yang guang)) hsu china long tan wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((((yan yuan) OR (nan yan))) OR (das clan))) OR (yang guang)) hsu china long tan wong yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((((yan yuan) OR (nan yan))) or (das clan))) or (yang guang)) hsu china long tan wong yue ;*".