bằng chứng quan trọng 
important evidence [ bằng ] : (1) equal to, the same as, even, level, flat, calm, peaceful, safe; (2) to use, be made of; to travel by (means of), be transported by, run (using some fuel); (3) friend, comrade; (4) diploma, certificate; (5) by means of, with, in (language); (6) proof, evidence, support, testimony
[ chứng ] : disease, ailment, symptom, sickness, illness; proof, evidence
[ quan ] : (1) official, officer; (2) franc (unit of currency); (3) coffin; (4) sense
[ trọng ] : heavy, important; to think high of, hold in esteem
Most Common Compounds Set 1:
Most Common Compounds Set 2 :