Perhaps you should try some spelling variations:
boon chong » boon siong, joon chang
chong you » chang you, thing you, chong yah
you check » you hack
wan boon » a boon, ar boon
yang jin » yang jie, yang jun, ying jin
yang yi » yang jui
yang xi » yang jui
hai » hadi, haji, hari

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wan boon chong you check ((((((yang di) OR (yang yi))) OR (yang jin))) OR (yang xi)) dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wan boon chong you check ((((((yang di) or (yang yi))) or (yang jin))) or (yang xi)) dang hai ;*.