Perhaps you should try some spelling variations:
thanh trung » thanh tung
chi xanh » chi anh, chi danh, chi hanh
van dung » van dong, tin dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
doi chi » doi khi
va dung » va duong, vat dung, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh trung ((va dung) or (((van dung) OR (xay dung)))) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - thanh trung ((va dung) OR (((van dung) OR (xay dung)))) cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh trung ((va dung) or (((van dung) OR (xay dung)))) cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung ((va dung) or (((van dung) OR (xay dung)))) cong dan toan cao*.