Perhaps you should try some spelling variations:
boon chong » boon siong, joon chang
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
daun yang » dan yang, tan yang, un yang
chong ha » chang ha, chong nam, chong wan
ka chai » ka chuan, kim chai
ka hua » ya hua, ka chuan

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 (yang yang)) ((ka hua) or (ka chai)) ((daun yang) or (du yang)) boon chong ha ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (yang yang)) ((ka hua) OR (ka chai)) ((daun yang) OR (du yang)) boon chong ha ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (yang yang)) ((ka hua) or (ka chai)) ((daun yang) or (du yang)) boon chong ha ;*.