sphinx/coreseek 搜索词有结果，而搜索单个中文汉字无结果，搜索单个英文单词也有结果？

Question

e.g.
搜索 人民

./search '人民'
Coreseek Fulltext 3.2 [ Sphinx 0.9.9-release (r2117)]
Copyright (c) 2007-2011,
Beijing Choice Software Technologies Inc (http://www.coreseek.com)

using config file '/usr/local/coreseek/etc/csft.conf'...
WARNING: stopwords: failed to get file size for 'G:\data\stopwords.txt'
WARNING: index 'test1': failed to stat G:\data\wordforms.txt: No such file or directory
index 'test1': query '人民 ': returned 2 matches of 2 total in 0.003 sec

displaying matches:
1. document=1, weight=1, group_id=1, date_added=Sat Jul 22 13:02:58 2017
    id=1
    group_id=1
    group_id2=5
    date_added=2017-07-22 13:02:58
    title=test 广东人民英雄
    content=this is my test document number one. also checking search within phrases.
2. document=3, weight=1, group_id=2, date_added=Sat Jul 22 13:02:58 2017
    id=3
    group_id=2
    group_id2=7
    date_added=2017-07-22 13:02:58
    title=another doc 中华人民共和国
    content=this is another group

搜索 人 则无结果

[root@iZuf647cvofre9edkjhztdZ bin]# ./search '人'
Coreseek Fulltext 3.2 [ Sphinx 0.9.9-release (r2117)]
Copyright (c) 2007-2011,
Beijing Choice Software Technologies Inc (http://www.coreseek.com)

 using config file '/usr/local/coreseek/etc/csft.conf'...
WARNING: stopwords: failed to get file size for 'G:\data\stopwords.txt'
WARNING: index 'test1': failed to stat G:\data\wordforms.txt: No such file or directory
index 'test1': query '人 ': returned 0 matches of 0 total in 0.002 sec

words:
1. '人': 0 documents, 0 hits

WARNING: stopwords: failed to get file size for 'G:\data\stopwords.txt'
WARNING: index 'test1stemmed': failed to stat G:\data\wordforms.txt: No such file or directory
index 'test1stemmed': query '人 ': returned 0 matches of 0 total in 0.000 sec

words:
1. '人': 0 documents, 0 hits

我知道可能跟分词有关系，本人sphinx小白，加上现在coreseek官网不维护了，看不到文档。希望能大神简单解释一下，并给你学习资料感谢。

Answer 1

Coreseek 都没有人维护了，推荐使用原版Sphinx，原版Sphinx已经能很好的支持Unicode字符集索引，对于中文的支持也很好。