like: ứng cứu
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
ứng cứu * ☊ 
to rescue, come to the rescue * ☊
[ ứng ] : to respond
[ cứu ] : (1) to save, rescue, deliver, relieve; (2) to study, research, examine, investigate