Perhaps you should try some spelling variations:
chia rent » chia wen, china recent
china ren » china loren, china real, china reza
ying john » king john, young john, ying jin
john wong » john song, john bonn
wong siu » wong shiu, kong siu, wong sau
sin tan » sin tax, sin cain, wing tan
tin tan » tan tan, tin can, wing tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doing ((sin tan) OR (tin tan)) ((chia rent) or (china ren)) ying john wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doing ((sin tan) OR (tin tan)) ((chia rent) OR (china ren)) ying john wong siu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doing ((sin tan) OR (tin tan)) ((chia rent) or (china ren)) ying john wong siu ;".
• Adding a wildcard symbol may retrieve word variants: doing ((sin tan) OR (tin tan)) ((chia rent) or (china ren)) ying john wong siu ;*.