Could be alot of things
CV's - bearing can be worn check to see if they stick or if u hear clicking noises when turning
Bushes - symtoms are floating steering, while free spinning the wheel shouldnt move horozontally, like if u pull it toward u
Tyres/Balance - best checked with tools/machine
Could also be something loose, once had my brake pads changed n they didnt secure the pad properly to the hub so it was wobbling best way to check is jack the side up and pull the wheel around wheels are only designed to spin around, turn with steering and move vertically with suspension. Pull it and should be able to see where its loose/wobbling.