Perhaps you should try some spelling variations:
making causal » making capital, making case
making chua » making china
dong hoang » hong hong
yang liang » wang liang, yan liang, yang yang
liang tan » liang dan, liang sun, wing tan
wong sam » wong sau, wong lai, kong sar
song min » song ming, gong min, jong min

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong hoang ((making chua) OR (making causal)) yang liang tan ((wong sam) or (song min)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang ((making chua) OR (making causal)) yang liang tan ((wong sam) OR (song min)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang ((making chua) OR (making causal)) yang liang tan ((wong sam) or (song min)) ;*".