A term like casino♠ still gets EXACT searches which is obviously
incorrect, the ♠ seems to be ignored, besides
MiscellaneousSymbols what other unicode ranges are ignored ?
Please see the following AdWords Help Center article:
http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=53539
Best,
- Eric Koleda, AdWords API Team