phụ gia 
additive, adjuvant [ phụ ] : to help, assist, aid; secondary, attached, assistant, auxiliary
[ gia ] : domicile, habitation, abode; to increase, add
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
chất phụ gia additive phụ gia additive, adjuvant chất phụ gia additive