Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
liang tan » liang dan, liang sun, wing tan
das cern » das ferne, das clan
yan clan » das clan, yan guan
yan yuan » yan guan, fang yuan, yan kun
nan yan » nan ya, wang yan, qian yan
hong il » jong il, hyoung il, honig ii

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

• Performing a fuzzy search may retrieve terms with similar spellings: twinn ((das cern) or (((yan clan) or (yan yuan)))) nan yan liang tan hong il ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: twinn ((das cern) OR (((yan clan) OR (yan yuan)))) nan yan liang tan hong il ;.
• Adding a wildcard symbol may retrieve word variants: twinn ((das cern) or (((yan clan) or (yan yuan)))) nan yan liang tan hong il ;*.