Perhaps you should try some spelling variations:
liang yang » wang yang, yang yang, huang yang
liang ying » liang liying, huang ying, zhang ying
min leong » mun leong, kin keong, min hong
min jeong » kin keong, min hong, mun leong
jui test » ai test, api test, i test
test kan » test a, test kit, test ke

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang yang) or (liang ying)) jui test kan ((min leong) OR (min jeong)) yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang yang) OR (liang ying)) jui test kan ((min leong) OR (min jeong)) yeon ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang yang) or (liang ying)) jui test kan ((min leong) OR (min jeong)) yeon ;*".