search - searching in a part of word with Sphinx -

I need to configure the Sphinx to find parts of words, not whole. It has been written on, that I should use the instructions 'min_infix_len', 'min_prefix_len' and 'enable_star'. Actually, all config files are registered in.

But the search in the word section does not work. * is not helping at the beginning or end of a word.

  source src1 {type = mysql sql_host = localhost sql_user = root sql_pass = sql_db = ajax sql_port = 3306 Sql_query = \ SELECT id, author author sql_query_info = SELECT * WHERE writers id = $ id } index 1 {source = src1 path = / var / data / src1 morphology = stem_en min_word_len = 1 charset_type = sbcs enable_star = 1 min_infix_len = 3 Min_prefix_len = 3} searchd {listen = 9312 log = /var/log/searchd.log query_log = /war/log/kweriklog Peed_fail = /war/log/searchdkpeed}   < 
 
 
 you can only apply to one of them  
 min_infix_len = 3 min_prefix_len = 3