Perhaps you should try some spelling variations:
chung kang » chan kang, chung kay, chung tong
lens china » loans china, leases china
china rene » china ren, china rate, china real
chan eng » chan fong, chan kang, chan ming
yang tin » yang jin, yang jing, yang mind
yang lin » yang jin, wang lin, yang li
hong yu » wong yue

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: ((chan eng) OR (chung kang)) lens china rene ((yang tin) OR (yang lin)) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chan eng) or (chung kang)) lens china rene ((yang tin) OR (yang lin)) hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((chan eng) or (chung kang)) lens china rene ((yang tin) OR (yang lin)) hong yu ;*.