Using an OR condition in Xpath to identify the same element

You can use or operator like

(.//span[@class='g-title'])[2] or .//span[@class='g-title']

For more details : Two conditions using OR in XPATH

If the element has two xpath, then you can write two xpaths like below

xpath1 | xpath2

Eg: //input[@name="username"] | //input[@id="wm_login-username"]

It will choose any one xpath