You could also search it by entering either
in the search box. Then, click on the "votes" tab.
Here is the direct links for each of the above listed search query: (performs the above two steps)
Now scroll down to the bottom of the page and click the last page given in the page-navigation bar before the "next" page tab. In my case it shows as "148". Now, all you have to do is navigate backwards from thereon. The above search query will only display the questions with negative votes. It's very important to include the is:question type option here otherwise search would result both i.e. questions and answers with negative votes.
There used to be search limit of 6 queries per 60 seconds but it's no longer true as per this answer.
Since this question is marked as a duplicate of Is it possible to search for down voted questions?, I have posted my updated answer on that question specifically addressing to OP's question(s) and his/her own accepted answer.