Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
leong yeon » jeong yeon, seung yeon
mun leong » min jeong
test kit » test kits
yang yi » yang di, yang xi, yang jui
test ke » test bed, test der, test bei

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 yi ((test ke) or (test kit)) mun leong yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang yi ((test ke) OR (test kit)) mun leong yeon ;*.