Perhaps you should try some spelling variations:
wong sein » ong sean, wong shiu, wong siu
chia wen » china won, ching wen, asia wen
wen yang » wei yang, wen wang, chen yang
yang jie » yang jin, yang di, yang jui
jie wong » jie song, kie wong, ji won
sin tan » tin tan, sin cain, wing tan
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 tan) or (sin tax)) chia wen yang jie wong sein ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((sin tan) OR (sin tax)) chia wen yang jie wong sein ;.
• Adding a wildcard symbol may retrieve word variants: dong ((sin tan) or (sin tax)) chia wen yang jie wong sein ;*.