Perhaps you should try some spelling variations:
lens china » loans china, leases china
chan kang » chung kang, chan eng, chan fong
chung kay » chung kang, chung jae
china ren » china loren, china real, china reza
ren yang » ren yan, chen yang, dan yang
tin hong » tan hong, kia hong
thi hong » tan hong

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