Perhaps you should try some spelling variations:
can china's » china china's
china's gas » china's gdp, china's ets, china's great
lung kang » chung kang, lung can
kang can » kang ca, kang han, kang chen
yang jun » yang jui, pang jun, yang jin
wang wei » zhang wei, wang zhi
yang xi » yang jui
yang yi » yang jui

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: lung kang can china's gas ((((((yang di) OR (yang xi))) OR (yang yi))) OR (yang jun)) wang wei ;~.
• Adding a wildcard symbol may retrieve word variants: lung kang can china's gas ((((((yang di) or (yang xi))) or (yang yi))) or (yang jun)) wang wei ;*.