A great way to learn new knitting stitches is to look for free dishcloth knitting patterns! There are tons of these free patterns all over the web with really interesting stitches that you can learn! Many are in English and provide written instructions instead of charts!
Dishcloth Knitting Stitches
Arch and cables panel knitting stitch with chart. Need help with the knitting symbols? Look here: Japanese knitting symbols More Great Patterns Like This
Diamond Knit and Purl motif. More Great Patterns Like This
Lace Knitting Stitch Idea Chart. More Great Patterns Like This