Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
zhang xin » zhang jian, zhang ming, zhang fan
hua test » a test
yang jui » yang judy, yang di, yang yi
wong yue » wang yue, hong yu
yang xi » yang di, yang yi

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 liang) or (yang yang)) hua test ((zhang xin) or (((yang jui) or (yang xi)))) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang liang) OR (yang yang)) hua test ((zhang xin) OR (((yang jui) OR (yang xi)))) wong yue ;.
• Adding a wildcard symbol may retrieve word variants: dong ((yang liang) or (yang yang)) hua test ((zhang xin) or (((yang jui) or (yang xi)))) wong yue ;*.