Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
anh xquang » anh quang, anh quan, anh xuan
xquang vat » quang va, quang van, xquang ma
hien xanh » hien hanh, hien nhanh, chieu xanh
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong san » cong tac
san toan » van toan, dan toan, manh 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) or (tien thanh)) - anh xquang vat dung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (tien thanh)) - anh xquang vat dung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (tien thanh)) - anh xquang vat dung cong san toan ban*.