Searching for multiple labels on Blogger Blogspot

On Blogger Blogspot blog, when you click on a label, it will do a search on all the blog, and showing stuff tagged with that label. Case if you want to search for multiple labels at same time (show all posts of multiple labels), you can see this instruction.
There are two types of multiple labels searching that you would be looking for, based on two common operations AND & OR function

AND function

This means to search posts that have both the labels i.e LABEL1 & LABEL2.

<your-blog-URL>/search/label/LABEL1+LABEL2

OR function

This means to search posts that have LABEL1 or LABEL2 or both

 <your-blog-URL>/search/?q=label:LABEL1|label:LABEL2

Tags: #Search, #Label, #Multiple Labels,