Perhaps you should try some spelling variations:
main charge » main changes, main chance, taking charge
charge boon » charge motion, charge coins
boon siong » soon siong, boon chong
wang yang » wang yan, wang liang, wang yanling
siong yu » hong yu, siong _, ming yu
a main » 1 main, 2 main
ya a » a a, y a, ye a

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((dong or long) sin) or (wang yang)) ya a main charge boon siong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((dong OR long) sin) OR (wang yang)) ya a main charge boon siong yu ;.
• Adding a wildcard symbol may retrieve word variants: (((dong or long) sin) or (wang yang)) ya a main charge boon siong yu ;*.