Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan duong » tuyen duong, tuong duong, van duong
hien xanh » hien hanh, hien nhanh, chieu xanh
tuan dong » quan dong, luan dong, tran dong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 tung ((tuan dong) or (tuan duong)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tung ((tuan dong) OR (tuan duong)) cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tung ((tuan dong) or (tuan duong)) cong tan toan cao*.