Breast creams and breast message may be beneficial One may try for breast implants surgery

At the age of 22, you should not worry this much. There are many factors which influence the growth of breasts. Be stress free

Though the size of breast depends on various factors like genetics , body mass and proportion, fat contents and physical activity etc. and hence It Is multifactorial . Similarly treatment or breast enhancement also depends on the various factor. Some of Hormonal therapy is advantageous . Breast enhancement massage oil and oral medications have also shown positive report in patients. Considering your age it will show fast and good  results.

Home remedies cant help