cầu đảo 
to make offerings (to deity) for one’s wishes to be fulfilled [ cầu ] : (1) bridge; (2) to request, demand, desire; (3) toilet; (4) sphere, ball; birdie (badminton)
[ đảo ] : (1) isle, island; (2) to turn (over, around, etc.); (3) to pray for rain
Most Common Compounds Set 1:
Most Common Compounds Set 2 :