Perhaps you should try some spelling variations:
main charge » main changes, main chance, taking charge
wang liang » wang yang
boon chong » boon siong, joon chang
soon hong » soon heng, soon siong, seok hong
a main » 1 main, 2 main
ya a » a a, y a, ye a
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (wang liang)) ya a main charge ((soon hong) OR (boon chong)) yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (wang liang)) ya a main charge ((soon hong) OR (boon chong)) yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong sin) or (wang liang)) ya a main charge ((soon hong) OR (boon chong)) yu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (wang liang)) ya a main charge ((soon hong) OR (boon chong)) yu ;*.