Answer:
Hina and Riko; the dialog box is inside the Name Manager group, and it allows the user to manually type in the additional cells or select the cells after clicking the collapse button.
If you mean the search for a phrase or word function on a page,
Left Ctrl + F
Answer:
"To create any of these Greek letters using the Alt codes, simply press the "Alt" key while simultaneously typing the listed number. For example, to create the Greek letter Alpha (α), press the "Alt" key and type 224 using the keypad at the right side of your keyboard." - GOOGLE
