Perhaps you should try some spelling variations:
lens china » loans china, leases china
china rene » china ren, china rate, china real
chan ming » kian ming, chan eng, chan fong
yang yang » wang yang, wang yan
yang tan » yang fan, yang dean, liang tan
hong yu » wong yue
han en » han men, van en, chan eng

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((han en) OR (chan ming)) lens china rene ((yang tan) OR (yang yang)) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((han en) or (chan ming)) lens china rene ((yang tan) OR (yang yang)) hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((han en) or (chan ming)) lens china rene ((yang tan) OR (yang yang)) hong yu ;*.