To look for a particular word or keyword in your Notezilla sticky note:
Right click inside the sticky note and select the "Find" option. You can alternatively press CTRL+F.
A search box will automatically open wherein you can type the text you are looking for. The search results will be highlighted in the note. The results will be filtered as and when you keep typing.
If the word you are looking for is repeated several times in the sticky note, just click on the right facing arrow and the next place where it appears is highlighted.
Watch this video to get more clarity: