Search for two words in a File

[Kaushal Shriyan]

Hi

I have a query For example I have a file by the name test and its contents
are

deep
redhat
html
php

I know if I give grep deep test it will return deep, Now my query is
to search for two words For example deep +  html I mean both words at
a Time

How do I do it

Thanks in Advance

Kaushal