Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thpt trung » thpt hung, thpt thang, thoi trung
trung cong » truong cong, trong cong, trung uong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
manh toan » thanh toan, anh tuan

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 xanh) OR (hien hanh)) - thanh truong thpt trung cong ((manh toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - thanh truong thpt trung cong ((manh toan) OR (tinh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - thanh truong thpt trung cong ((manh toan) or (tinh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - thanh truong thpt trung cong ((manh toan) or (tinh toan)) cau*.