Where can i find silver vein ?
i dont find :/ only 1 vein in thousand needles

From my understanding, silver is a rare spawn off of tin... so anywhere there is tin nodes theres a chance there will be silver.  For Alliance try Redridge Mountains, Duskwood or even Sentinal Hill.  Hope this helps! 

is there any just plain silver veins? cause im stuck at mining about 113 and tin doesn't give me lvls any more and neither does smelting

There is this place i call coppered cave and i mined 46 copper in 10 mins there and its real name is Gol'Quarry something and its east from kharnos