Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
cua truong » cua trung, xuan truong, cac truong
hoc thiet » hoc thuyet, hoc hien, toc thieu
hoc thieu » toc thieu, hoc hien
cong san » cong tac
san toan » van toan, dan 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 thiet) OR (hoc thieu)) danh - ((hanh tranh) or (hanh trinh)) cua truong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc thieu)) danh - ((hanh tranh) OR (hanh trinh)) cua truong cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thiet) OR (hoc thieu)) danh - ((hanh tranh) or (hanh trinh)) cua truong cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) OR (hoc thieu)) danh - ((hanh tranh) or (hanh trinh)) cua truong cong san toan ban*.