akherati

this plugin enable search field in woocommerce attributes when you add OR edit products. 
If you encounter a very large number of attributes when inserting your product attributes, this plugin is for you so you no longer have to spend time finding one attribute out of hundreds of attributes.
this plugin will add good feature to woocommerce so you must install and active woocommerce plugin before that.

fast select Attributes for WooCommerce

You can search and fast select woocommerce attributes of too many attributes in add product page or edit product page.

Inbound Horizons

Cliff

Bulk Sort Attributes for WooCommerce is a WooCommerce extension that allows you to bulk 
order WooCommerce attributes by ID, Name, or Name (Numeric). When there are 
hundreds or even dozens of items in an attribute it becomes tedious and time 
consuming to sort by hand. This plugin makes it an easy task!

Bulk Sort Attributes for WooCommerce

Bulk sort WooCommerce attributes when they are too numerous for custom sorting by hand.

fast select Attributes for WooCommerce vs Bulk Sort Attributes for WooCommerce