Here are some other options depending on the context:
* "Честито!" (Chestito!) - This means "Congratulations!" and can be used for birthdays, holidays, or other occasions.
* "Пожелавам ти всичко най-хубаво!" (Pozhelavam ti vsichko nai-hubavo!) - This translates to "I wish you all the best!"
* "Успех!" (Uspekh!) - This means "Good luck!" and is appropriate for exams, job interviews, or other situations where someone needs luck.
The specific phrase you choose will depend on the context and your relationship with the person you are speaking to.