In the search keyphrase, there is some "\x**\x**" phrases. It comes from Baidu. Modify the "\x" to "%" will get the result, for example:

for " \xb4\xf3\xc8\xe9\xb7\xbf ", use http://www.baidu.com/baidu?word=%b4%f3%c8%e9%b7%bf you will get the keyphrase.