Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
thanh dong » thanh cong, hanh dong, nhanh dong
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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 ((thieu xanh) or (thien anh)) - ((thanh dong) OR (thanh duong)) cua bang cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - ((thanh dong) OR (thanh duong)) cua bang cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - ((thanh dong) OR (thanh duong)) cua bang cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - ((thanh dong) OR (thanh duong)) cua bang cong tac toan tap*.