Zen cart Caegory display. sorting

I'm Looking for someone who can do some work on my category sorting. I need my Category to sort. 1. click on main category I need Main category to show all item on main category then to show first subcategory items, then to show 2nd sub-category and on. 2. Task. I need someone who can fix my search box. I need to display items by the 90% keyword. Let me know if you can do my task. Thank you for reading my project.