problem accents/diacritics

[Idafe]

Hi, I'm new to programming, and I still can not find the solution to the next problem of accent searches, they could help me or give me an orientation. Thank you very much.

Hello, thank you very much for this plugin, it has facilitated me a lot of the searches of my web application.

For me everything works very well, except in the searches of accents or tildes.

I have trouble using a search without tilde or accent.

Here are some examples:

with accent
url.com/fichas?txt_nombredescriptivo=~cerámica

results 10
with capital letters
url.com/fichas?txt_nombredescriptivo=~Cerámica

results 10
without accent
url.com/fichas?txt_nombredescriptivo=~ceramica

results 0

Since the mongodb console works for me without the accents, but from the url query no.

Thank you for your time and dedication. Greetings. :)
And excuse my English, :(