I was able to get Greek font encoding working in Chromium simply by installing the dejavu-fonts-ttf-tcz package ... thanks to postings in the How to setup cyrillic fonts? topic posting at
http://forum.tinycorelinux.net/index.php?topic=6734.msg35350 [Edit #1: fixed URL]
There was also info about getting other encodings to work in a console as well.
Michael Wells
[Edit #2] - I realised that I didn't give very clear instructions about getting the Greek font working in Chromium:
1) Install dejavu-fonts-ttf-tcz package,
2) Open preferences in Chromium by clicking on the wrench tool to the right of the URL box,
3) Select the Under The Hood tab and click the 'Change font and language settings' button,
4) Under the 'Fonts and Encoding' tab select 'Greek 8859-7' default encoding
5) Under the 'Languages' tab click the 'Add' button and add Greek,
6) Click close and close and restart Chromium, Greek text should now be readable.
7) Use Backup if you want the Chromium settings to survive reboots.