None of the solutions suggested to reduce MySQL's ft_min_word_len
works for me on Windows 7 Pro.
In Control Panel Services the path to MySQL56 server executable reads "C:\Program Files\MySQL\MySQL Server 5.6\bin\mysqld" --defaults-file="C:\ProgramData\MySQL\MySQL Server 5.6\my.ini" MySQL56
Both files at "C:\windows\my.ini"
and at "C:\Program Files\MySQL\MySQL Server 5.6\my.ini"
reads
[mysqld]
ft_min_word_len = 3
In MySQL, the query SHOW VARIABLES LIKE 'ft_min_word_len';
still shows 4!!!