Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang minh » sang minh, yang mind, kang minah
long shu » cong shu, tong shui, long du
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
yang ka » yang fan, yang yao
ka hua » ya hua, ka chuan
test » 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 ka hua (rest or (test or text)) yang minh ((long shu) or (((wong sau) OR (wong siu)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ka hua (rest OR (test OR text)) yang minh ((long shu) OR (((wong sau) OR (wong siu)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ka hua (rest or (test or text)) yang minh ((long shu) or (((wong sau) OR (wong siu)))) ;".
• Adding a wildcard symbol may retrieve word variants: dong yang ka hua (rest or (test or text)) yang minh ((long shu) or (((wong sau) OR (wong siu)))) ;*.