Use the filter/criteria on the left column to find the category of exercises you want
http://www.bodybuilding.com/exercise...1/muscle/chest
3 absolute essential exercises are deadlifts, squats and benchpress, so that's a start for you.
If you're looking into supplements
Look into Optimum Nutrition protein, a bit more expensive but worth every dollar.
80% protein per serving
4g of glutamines (improves recovery speed)
5.5g of bcaa
100% whey isolate ( most pure/expensive form of whey protein )
very easy to mix
since you've already got the mass, now you should condition and tone your existing body mass into muscle.
which means high number of repetitions (aim for 10-12 reps per set) but of lower weights