Answer by Mitchell McKenna for Wildcard search issue sphinx
October 25 2012, 8:12pm
The issue is that star(*) for wildcard is also in your ignore_chars (U+002A).
Update it to:
ignore_chars = U+0021..U+0029,U+002B..U+002F,U+003A..U+003F,U+0060
http://stackoverflow.com/questions/13040666/wildcard-search-issue-sphinx/13079136#13079136