After you decompile the program, a double click on any object in the tree in the left part of the decompiler window will display the content of this object in the text field in the right part of the program. If the object is a form or code, it is a great problem to find the necessary text in it manually. The string search dialog box is used for that. You can open it using the Tools -> Search string menu or the Ctrl + F key combination.
Important: you can search only the active text, but not the entire program.
If you want to search the entire program - please uncheck "In active window" option.
Enter a string in the String field and click the Find button to start searching.
Click the Find next button to continue searching for the same string. The Cancel button closes the search dialog box.