Find and Replace content in a word document:
On the “Home” Tab in the “Editing” section, click the down arrow and select either Find or Replace.
The Find or Replace Navigation will open in the left section of the document.

Type the required content to find in the search box and the results will show

If you selected Replace: The Find and Replace search box will display in a window. Fill in the Find What text in the firsts box and what you want to replace it with in the “Replace with:” dialogue box. Select either “Replace” aor “Replace All“. You will see that the R in Replace and the A in “Repalace All” is under lined so you can use those characters on the keyboard, without having to click on the buttons. If you choose “Replace” you can then click “F” to find the next instance without replacing the instance to skip some choices.
To open the “Find” or “Replace” sections use the keyboard shortcut sequence: CTL F to Find and CTL H to Replace or type “Find” or “Replace” in the Tell me what you want to do Search feature in Ribbon.
I hope that this tip will help you