Lake Verret, help a newbie out

I freely admit to being a newborn fisherman.

Now that I got that out of the way, here is my situation. The first/last two times I fished Lake Verrett my buddy and I essentially struck out. We are both non-natives and have solicited help from guys who fish LV regularly.

We are bass fishing using 6' & 7' baitcasters with spinnerbaits and crankbaits of varying color.

After 8 total hours (mornings) of fishing on LV, our only bass was a 2lber I caught with a chartreuse spinnerbait.

We put in at Pierre Bay (off 70) and ride to the eastern side of LV hitting the points around Elm Hall WMA and further South

We cast close to trees and on the shady side

We are sure to hit any downed limbs especially those with green moss

We approach the fishing area slowly with the troll and I have tried several casting styles

Are we fishing the wrong location or using the wrong tactics? (Obvious question but I'd like to hear the answers)

Other than having my wife do it, what are some tips/tricks that will help us be more successful.

Any day on the water is a great day but bringing home dinner would be much more rewarding