This is the 177th most frequent Vietnamese word.
càng
The Vietnamese word "càng" means "the more" or "increasingly" and is often used to indicate progression or intensification.
In this sentence, 'càng' is used to show a correlated increase: the more one studies Vietnamese, the more one observes their improvement.
Càng học tiếng Việt, tôi càng thấy mình tiến bộ.
The more I study Vietnamese, the more I see myself improving.
Here, 'càng' is used to express a superlative degree, indicating to try at the earliest possible time.
Hãy cố gắng càng sớm càng tốt.
Try as soon as possible.
In this usage, 'càng' emphasizes an ongoing intensification over time.