Topic: [Bug] Different metatags with "or" syntax return no results

Bug overview description.
If you use "~" to search multiple metatags of different types, no results will ever be returned, even if the search is otherwise a valid one.
You can search for, say, posts that have both a width of 1200 and a height of 1200, but you can't perform an "or" search for those.

What part(s) of the site page(s) are affected?
Posts page.

What is the expected behavior?
Posts that match at least one of the metatags prefixed with "~" will be returned.

What actual behavior is given instead?
No posts are returned, even if they match at least one of the metatags given.

Time of incident (if applicable).
Can you reproduce the bug every time?
What steps did you take to replicate this bug?
Tested with ~height:1200 ~width:1200, as well as "~notes:translat ~desc:translat". Neither produce any results, even though all of these tags return results separately.

Errors or other messages returned (if any).
"No posts matched your search."

Updated by Xch3l