Perhaps you should try some spelling variations:
thanh tung » thanh cong
thieu xanh » chieu xanh, hieu manh, thien danh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
hang cong » dang cong, hang nong, bang cong
tung cua » trung cua, tuong cua, dung cua
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 ((thieu xanh) OR (thien anh)) - thanh tung cua ((hang cong) or (thong cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh tung cua ((hang cong) OR (thong cong)) tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - thanh tung cua ((hang cong) or (thong cong)) tan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - thanh tung cua ((hang cong) or (thong cong)) tan toan ban*.