Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
liang tan » liang dan, liang sun, wing tan
ka chuan » hai chuan, ka chai
tan yong » tan hong, tan kong, tan yang
yong siu » kong siu, wong siu, dong sin
test » text, west, best

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (wang liang)) ((ka chuan) or (say chuan)) (rents or test) liang tan yong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang liang)) ((ka chuan) OR (say chuan)) (rents OR test) liang tan yong siu ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang liang)) ((ka chuan) or (say chuan)) (rents or test) liang tan yong siu ;*.