Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh thang, thanh chuong
thanh hong » thanh huong, thanh hoang, thanh cong
hien manh » tien manh, hieu manh, hien nhanh
hien hanh » dieu hanh
dung tong » dung trong, dung thong, dung cong
tong tap » tuong tac, trong tan, cong tac
tap toan » tap doan, tap quan, bai 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 ((hien manh) or (hien hanh)) - ((thanh thong) OR (thanh hong)) ung dung tong tap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (hien hanh)) - ((thanh thong) OR (thanh hong)) ung dung tong tap toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) or (hien hanh)) - ((thanh thong) OR (thanh hong)) ung dung tong tap toan tap*".