In general -- with some examples:
Read the first sentence under the bold section 2.
Because of its nature, I doubt you'll find any that are accented. The whole result of this "schwa" is that the sound is minimized. Stressed syllables don't have minimized sounds.
And then there are these. They require Adobe's Acrobat reader:
[PDF] Unit Nine The Schwa File Format: PDF/Adobe Acrobat
sound and rhythm, as well as being a major factor to an English accent when ... The underlined word will contain the schwa. each and every. cold as ice ...
[PDF] The Effect of Schwa in Paiwan Prosody File Format: PDF/Adobe Acrobat
Interestingly, the shift effect due to schwa was blocked at. accent level of a prosodic word. The assignment of accent in Paiwan reduplicated. words is ...
(If you need to download and install the Acrobat reader for the 3rd and 4th links, go here: http://get.adobe.com/reader/ )