Consultant help for WPLMS is needed

We run an e-Learning site with thousands of users and we are using WPLMS theme. WPLMS does default search function does not support to search within units/lessons. Our lessons/units contain both videos and text/pictures/manuals. Many of our users request possibility to search for words within the lessons/units. WPLMS team does not seem to implement this in the near future, we need someone who could develop a search function for us. Please reply here if you are interested helping us with this issue. Enlclosed you will see a short example/specification of what we need.