Perhaps you should try some spelling variations:
young john » kong john, young jean
china rent » china recent, china real, china reza
dong wing » dong ping, dong sin, dong bin
china ren » china loren, china real, china reza
wong john » wrong john, kong john, longo john
wing tan » wing ian, liang tan, hong tan

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

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