Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 - ((canh tranh) or (thanh trung)) ((cua thong) or (cua tong)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((canh tranh) OR (thanh trung)) ((cua thong) OR (cua tong)) cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((canh tranh) or (thanh trung)) ((cua thong) or (cua tong)) cong tan toan ban*.