Sorry you are having problems with a clogged toilet. Hope this is helpful. Pour 1 cup baking soda and 2 cups vinegar into the toilet.
7 Ways to Unclog a Toilet - wikiHow
You can buy a good plunger from Home Depot or you can rent one of those lines they use to feed down through the toilet and through the drain pipe to loosen what is plugging the line. I can't remember the name, but you can rent it from rental places or places like Home Depot.
Pour in a about a cup of dishwashing liquid like Dawn let sit for about 10 minutes then get a bucket of the hottest water you can, then slowly start pouring the hot water in the toilet ..
The above suggestions are good ones and hopefully will do the trick for you. If not, there is a simple and inexpensive tool that can help. A drain snake is easy to use, although somewhat unpleasant. It's a good thing to add to your household tools. Here are some options.