Perhaps you should try some spelling variations:
main chance » main changes, main charge, chain change
soon siong » soon seng, soon soon
boon siong » boon chong
wang yang » wang yan, wang liang, wang yanling
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 yang)) ya a main chance ((soon siong) OR (boon siong)) yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (wang yang)) ya a main chance ((soon siong) OR (boon siong)) yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong sin) or (wang yang)) ya a main chance ((soon siong) OR (boon siong)) yu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (wang yang)) ya a main chance ((soon siong) OR (boon siong)) yu ;*.