Perhaps you should try some spelling variations:
dong yan » dong yang, dong nan, wang yan
yan lang » yan liang, yan wang, yang yang
yang lin » yang jin, wang lin, yang li
yang jie » yang jin, yang di, yang jui
yan tin » yuan ting, yang jin
hong yu » wong yue
lang a » lang 3, lang _, erlang a

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 lang a test ((((yan tin) OR (yang lin))) or (yang jie)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yan lang a test ((((yan tin) OR (yang lin))) OR (yang jie)) hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yan lang a test ((((yan tin) OR (yang lin))) or (yang jie)) hong yu ;*".