với nguyên do là 
because, the reason being that [ với ] : with, and; to join (someone), reach for (something)
[ nguyên ] : acting, holding a post temporarily; to be intact, unaltered, brand new, original; in full; all, whole, entire
[ do ] : because of, caused by, due to; derived from; on; by (a person); to derive from, cause
[ là ] : that; to be
Most Common Compounds Set 1:
Most Common Compounds Set 2 :