I did declare a foreign account last year but did not file a fbar even do my account had more than $10000 what happen this year if I do it ?

Likely nothing. Filing the FBAR this year will not necessarily trigger penalties for failing to file last year. 

If you have foreign assets exceeding $10,000 value in USD this year, you must file Form 114. 

For more information about filing, follow this link: FBAR requirements

shoud i fille a latte FBAR for the year befor?

Yes

how many year can i go back?

As many as you need, the on-line form allows you to enter any year. I also wanted you to know I have confirmed there are no penalties for unwillingly not filing if the income was reported on your tax return. You are good to go.

what income ? this was money that i send from the us to saved

sorry, income was the wrong word. Just know you are ok

so it is better if i go back as many yaer as i have to or just start for this year?

Up to you. Since you are aware you should have filed for last year, I would do 2016 and 2017

it's more than that go back since 2011