Perhaps you should try some spelling variations:
test split » test salt, test slrt
dong yang » dong hoang, wang yang, yang yang
hai chuan » say chuan, ka chuan, tai chun
test sit » test site, test set, test sat
long shu » cong shu, tong shui, long du
wong siu » wong shiu, kong siu, wong sau
ka hua » ya hua, ka chuan

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) or (hai chuan)) ((test split) OR (test sit)) minh ((long shu) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ((ka hua) OR (hai chuan)) ((test split) OR (test sit)) minh ((long shu) OR (wong siu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ((ka hua) or (hai chuan)) ((test split) OR (test sit)) minh ((long shu) or (wong siu)) ;*".