Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung vat » trung va, trung van, trong vat
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 vat dung cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung vat dung cong tac toan cau*.