Tu faudrais is not French. You must rather say il faudrait or tu devrais. Both mean the same thing but not in the same way!

Il faudrait = you give an order to someone.

Tu devrais = you give a suggestion to someone.

“tu faudrait”

Verb: falloir

Verb type: Impersonal (similar to “pleuvoir”)

Conjugation: Only with “il”; thus, il faudrait (conditionnel)

Example: Il faudrait que tu partes. (falloir que + subjonctif)

“tu devrais”

Verb: devoir

Verb type: Conjugated with all pronouns, viz., je, tu, il, etc.

Example: Tu devrais partir. (devoir + infinitif)

Conclusion:

Il faudrait que tu partes! = Tu devrais partir!

‘Tu devrais’ is correct. The other one doesn’t exist, and should be instead ‘Il faudrait que tu..’. Bad google!!