Perhaps you should try some spelling variations:
truong vao » truong cao, truong dao, truong van
hien hanh » dieu hanh
truong va » truong dai, truong cao, truong dao
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
hach toan » thanh toan, manh 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 hanh - thanh ((truong va) or (truong vao)) ((hang cong) OR (hang nong)) hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh ((truong va) OR (truong vao)) ((hang cong) OR (hang nong)) hach toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - thanh ((truong va) or (truong vao)) ((hang cong) OR (hang nong)) hach toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh ((truong va) or (truong vao)) ((hang cong) OR (hang nong)) hach toan ban*.