This is the 761st most frequent Vietnamese word.
dc
"Đc" is an abbreviation in Vietnamese, often meaning "được" (can, able to, allowed to) or "địa chỉ" (address), depending on context.
In this sentence 'dc' is an abbreviation of the word 'được', which often means 'to be granted' or 'to have an opportunity' in Vietnamese.
Tôi dc học bổng để học ở nước ngoài.
I was granted a scholarship to study abroad.
Here 'dc' again represents 'được', and it implies gaining permission to do something.
Nếu em làm xong bài tập, em sẽ dc đi chơi.
If you finish your homework, you will be allowed to go out.
In this sentence, 'dc' (short for 'được') signifies being permitted or allowed, often used in negative constructions to mean 'not allowed'.