Here are some other ways to express gratitude in Russian:
* "Большое спасибо" (bolshoe spasibo) - "Thank you very much"
* "Огромное спасибо" (ogromnoe spasibo) - "Thank you very much" (even stronger than "bolshoe spasibo")
* "Благодарю" (blagodaryu) - "Thank you" (more formal)
* "Благодарю вас" (blagodaryu vas) - "Thank you" (more formal, used when addressing multiple people)
The choice of which expression to use depends on the context and the level of formality.