Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang minh » sang minh, yang mind, kang minah
ka chuan » say chuan, hai chuan, ka chai
long shu » cong shu, tong shui, long du
wong sau » wong sam, wong siu, wong shiu
yang ka » yang fan, yang yao
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 chuan (rest or (test or text)) yang minh ((long shu) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ka chuan (rest OR (test OR text)) yang minh ((long shu) OR (wong sau)) ;.
• Adding a wildcard symbol may retrieve word variants: dong yang ka chuan (rest or (test or text)) yang minh ((long shu) or (wong sau)) ;*.