Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
bang thanh » ban thanh, dang thanh, tang thanh
dung hong » duong hong, dung huong, dung khong
hong bang » dong bang, hang ban, hong hanh
thanh mau » hanh mau, thanh san, thanh hai
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) OR (25 trieu)) tinh - thanh ((truong thanh) or (tran van)) dung hong bang thanh mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - thanh ((truong thanh) OR (tran van)) dung hong bang thanh mau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - thanh ((truong thanh) or (tran van)) dung hong bang thanh mau".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - thanh ((truong thanh) or (tran van)) dung hong bang thanh mau*.