Tap (or press) the Menu Key > Find in page.
Type the text you’re looking for in the find bar at the top of the screen. Matches are highlighted on the page. (exact matches in orange and partial matches in yellow).
The find bar displays the total number of matches. Tap the and arrows to the right of the find bar to go to each match.
Found matches are also indicated in the scroll column along the right side of the screen. Tap any of the highlights to jump directly to that match.