Perhaps you should try some spelling variations:
china state » china's state
china rene » china ren, china real, china reza
china rate » china water, china rail, china states
eng hoang » eng hong, dong hoang, anh hoang
chan eng » chan fong, chan kang, chan ming
yang kia » yang ka, yang di, yang xi
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 hoang ((china rene) OR (((china rate) OR (china state)))) yang kia hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chan eng hoang ((china rene) or (((china rate) OR (china state)))) yang kia hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: chan eng hoang ((china rene) or (((china rate) OR (china state)))) yang kia hong yu ;*.