Need specific #Harshtags from Insta, FB, Twitter and LinkedIn pertaining to specific keywords

I am looking for a list of effective hashtags on the basis of the keywords I shared with the selected candidate. I will share some samples for you to have a look and move further.

10 Keywords
50 Hashtags for each keyword from 4 platforms ( Insta, FB, Twitter and LinkedIn).
Which would be 10X4X50=2000 Hashtags in Total