Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
van nhung » van nhuong, va nhung, van hung
tran van » luan van
cong dan » cong san, cong tan, cong dong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (hoc thieu)) xanh - thanh tran van nhung ((cong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) xanh - thanh tran van nhung ((cong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - thanh tran van nhung ((cong dan) or (huong dan)) toan cao*.