không những phổ thông 
it is not only universal [ không ] : (1) no, not; (question tag); (2) air; (3) empty
[ những ] : (pluralizer); several, various; to be only; certain number of, some; as much as, as many as
[ thông ] : (1) message; (2) pine tree
Most Common Compounds Set 1:
Most Common Compounds Set 2 :