Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung tac » trung tam, trung tai, trung tuan
trong tac » trong cac, tuong tac, trong tan
tac dung » sach dung, xay dung, tin dung
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh trung tac dung trong tac toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung tac dung trong tac toan ban*.