Nope nothing wrong with you lol. Most doctors are just retards when it actually comes to gynaelogical problems. Many many woman suffer endlessly with this problem. I highly doubt this problem has anything to do with your vagina. I study in Chinese natural medicine and herbs and 90% of the time when a patient come to me with a yellow discharge problem that smells bad or sometimes doesn't smell at all, the problem lies within the spleen, kidneys or liver. Here are the names of the products I prescribe and you can buy them at any health shop and they will most likely cure your problem in less than a day or 2. The products are called "Consolidate Qi", "purge heat" and another called the "four marvels", as I can't post a link to this forum the website is called "China herb", look under ailments and then under genealogical problems and it will be listed there and how it works.
You maybe need to look under another brand of product for your local health store but all Chinese herb brands all over the world will have these products just named something different. So if you can't find these find the different brands with the same active ingredients and then if you still can't find them you could always buy them online easy peasy :)
All the best!