Perhaps you should try some spelling variations:
thanh trung » thanh tung
cua truong » cua trung, xuan truong, cac truong
cuc phuong » cac phuong, cuu phuong, cua phuong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (doc hieu)) xanh - thanh trung ((cua truong) or (cuc phuong)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (doc hieu)) xanh - thanh trung ((cua truong) OR (cuc phuong)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doc hieu)) xanh - thanh trung ((cua truong) or (cuc phuong)) cong dan than cau*.