Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang minh » yang mind, kang minah, anh minh
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
long shu » cong shu, tong shui, long du
wong sau » wong sam, wong siu, wong lai
yang ya » yang yao, yang yi, yang ka
ya a » a a, y a, ye a
test » text, west, best

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang ya a test ((yang minh) or (sang minh)) ((long shu) or (((wong sau) OR (wong shiu)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ya a test ((yang minh) OR (sang minh)) ((long shu) OR (((wong sau) OR (wong shiu)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ya a test ((yang minh) or (sang minh)) ((long shu) or (((wong sau) OR (wong shiu)))) ;".
• Adding a wildcard symbol may retrieve word variants: dong yang ya a test ((yang minh) or (sang minh)) ((long shu) or (((wong sau) OR (wong shiu)))) ;*.