Perhaps you should try some spelling variations:
dong ryang » dong yang
dong hoang » hong hong
wei yang's » yiwei wang's
yang's hui » yang hui
ying shu » ying zhu, ying hua, ying ph
yet a » et a, yet _, get a
a wei » a weit, ha wei, ma wei
ryang » rryang
yan » ryan
yang's » ryang's

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong ryang) or (dong hoang))) or (wang yan)) yet a wei yang's hui ((ying shu) OR (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong ryang) OR (dong hoang))) OR (wang yan)) yet a wei yang's hui ((ying shu) OR (cong shu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong ryang) or (dong hoang))) or (wang yan)) yet a wei yang's hui ((ying shu) OR (cong shu)) ;*".