Perhaps you should try some spelling variations:
dong yan » dong yang, dong nan, wang yan
yan wang » yuan wang, yang yang, qian wang
das cern » das ferne, das clan
yan yuan » fang yuan, yan clan, yan kun
yan guan » gan guan, yang guang, yihan guan
out test » out west, about test, root test
wang out » hang out, wang hua, wang hui
nan yan » nan ya, wang yan, qian yan
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yan wang out test ((yan guan) or (((((yan yuan) OR (nan yan))) or (das cern)))) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yan wang out test ((yan guan) OR (((((yan yuan) OR (nan yan))) OR (das cern)))) hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yan wang out test ((yan guan) or (((((yan yuan) OR (nan yan))) or (das cern)))) hong yu ;".
• Adding a wildcard symbol may retrieve word variants: dong yan wang out test ((yan guan) or (((((yan yuan) OR (nan yan))) or (das cern)))) hong yu ;*.