Just go to google.
Type:- your keyword + site:quora. com
(Remove the space before com before copying)
Then under tools in the google search panel, select past week or past 24 hours.
You will get freshly added questions right in front of you.
On Quora too, You can also see "last followed on" under any question to see how many people are currently interested or is in the trend.
Thanks for reading.