HyperCard takes you to the first card that contains all of the text you specified (even if the words are in a different order), encloses the first word in a rectangle, and closes the Message box.
• Press the Return or Enter key again to find the next occurrence.
Command-clicking or Command-dragging across existing text replaces any selection in the Message box with that text. This is handy for finding other occurrences of text you come across.