Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
vat dung » van dung, va dung, viet dung
va duong » van duong, va tuong, va huong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chieu xanh) or (chieu sang)) - hanh chinh ((vat dung) or (va duong)) cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chieu xanh) OR (chieu sang)) - hanh chinh ((vat dung) OR (va duong)) cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: cho ((chieu xanh) or (chieu sang)) - hanh chinh ((vat dung) or (va duong)) cong dan than tap*.