Perhaps you should try some spelling variations:
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
hua tests » auf tests, aus tests, run tests
aux tests » aux textes, run tests
jiu long » jiu cong, au long, eu long
long shu » cong shu, tong shui, long du
can jiu » yan jiu, can join, pang jiu

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) or (wang yang)) ya ((hua tests) OR (aux tests)) can jiu long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yang)) ya ((hua tests) OR (aux tests)) can jiu long shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (wang yang)) ya ((hua tests) OR (aux tests)) can jiu long shu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (wang yang)) ya ((hua tests) OR (aux tests)) can jiu long shu ;*.