search for a solution keyword?

Hi there,

I'm trying to test the search function under Solutions tab.
So I put in some words in the text field and hit the Search Solutions button ... and I find it really buggy.

For example, I open up the solution ID 1: To move data from one installation from another.
This one is already created on install.
And according to its keywords entry:backup, restore, migrate, Changing the server

But if I put any of those keyword in the search field, it found none.
Trying the following words that exist in the description also didn't help at all:

1. Stop ManageEngine ServiceDesk Plus service

Searching the title also didn't work: To move data from one installation from another

What's going on?