How to Place ‘Search Box’ (CTRL+F) in a Single Web/Page Post in WordPress

To add a search box in a WordPress post or page, you can follow these steps:

1. Install the plugin called Search in Place, activate it, and make some settings if necessary.
2. Find the following code: [search-in-place-form in_current_page="1"]
   in the settings area, then copy the code and paste it in your post or page (text mode) where you want to display the ‘Search Box’.
3. Here is the result:
   
   Search for:
4. You can search for any words/phrases within the post.