Two options.
1. Flash with Chinese firmware (if available) to get the Chinese input method. Do it at your own risk.
2. Install both CN China in Chinese and CN China in English. It is OK to have different versions installed such as 2012.40 for Chinese and 2012.20 for English. Uncheck the English map to hide it. You can then search by English PinYin and the selected search result will show up in the Chinese map.
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