Perhaps you should try some spelling variations:
boon chong » boon siong
joon chang » hoong chang, jin chang, woo chang
qian wang » yiqian wang, qian rong, qian yan
wang jing » wang ning, wang liang, wang yong
wang yang » wang yan, wang liang, wang yanling
jing jin » jing ji, ying jin, jing jia
tan yang » dan yang, tan ying, tan yong

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian wang jing jin ((wang yang) or (tan yang)) ((joon chang) OR (boon chong)) ha ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian wang jing jin ((wang yang) OR (tan yang)) ((joon chang) OR (boon chong)) ha ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian wang jing jin ((wang yang) or (tan yang)) ((joon chang) OR (boon chong)) ha ;*".