Expose Search filter for Views, consider creating the filter as a block

[jayachandranm]

An alternate solution would be to use bootstrap table that has built in search function.

[jayachandranm]

https://www.webwash.net/drupal/tutorials/using-datatables-drupal-7

https://www.youtube.com/watch?v=NORjOBV4jjI

https://codecanyon.net/item/data-tables-for-drupal/13479714

datatables jQuery library gives option for instant search.

[jayachandranm]

Another library to consider,

https://www.drupal.org/project/footable

[jayachandranm]

https://datatables.net/release-datatables/extensions/TableTools/examples/bootstrap.html

http://preview.codecanyon.net/item/data-tables-for-drupal/full_screen_preview/13479714