Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
cua truong » cua trung, xuan truong, cac truong
hoc thien » hoc hien, hoc thieu, hoc tien
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thien) or (hoc thiet)) tinh - hanh tranh cua truong phuong ((van toan) OR (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc thiet)) tinh - hanh tranh cua truong phuong ((van toan) OR (van tan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thien) or (hoc thiet)) tinh - hanh tranh cua truong phuong ((van toan) OR (van tan)) cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc thiet)) tinh - hanh tranh cua truong phuong ((van toan) OR (van tan)) cao*.