Perhaps you should try some spelling variations:
chieu xanh » chieu sach, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
chinh va » chinh ta, chinh tai, hanh va
va thong » va thuong, va phuong, he thong
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 ((((chieu xanh) or (chieu sang))) or (chieu tinh)) - hanh chinh va thong cong thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu sang))) OR (chieu tinh)) - hanh chinh va thong cong thanh than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) or (chieu sang))) or (chieu tinh)) - hanh chinh va thong cong thanh than cau*.