Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
hieu manh » hieu nganh, dieu hanh, hien hanh
trung cua » truong cua, trung tuan, trung cap
trong san » trong cac, cong san, dong san
cua dung » cua dang, cua dong, qua dung
san toan » van toan, dan toan, manh toan
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: doi ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - hanh trung cua dung trong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu xanh) OR (hieu manh))) OR (chieu sang)) - hanh trung cua dung trong san toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - hanh trung cua dung trong san toan cao*".