Perhaps you should try some spelling variations:
boon chong » boon siong, joon chang
chong you » chang you, thing you, chong yah
dang hadi » dang hai
wan boon » a boon, ar boon
you when » you where, you what, you who
ying jin » yang jin, jing ji, yang jie
yang jui » yang judy, yang di, yang xi
yang yi » yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan boon chong you when ((((yang yi) or (ying jin))) or (yang jui)) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan boon chong you when ((((yang yi) OR (ying jin))) OR (yang jui)) dang hadi ;*.