Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
tieu xanh » tieu danh, dieu hanh, tien anh
trung cua » truong cua, trung tuan, trung cap
nong lanh » bong lanh, dong lanh, song lanh
ban nong » ban cong, ban nang, ban tong
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - hanh trung cua ban nong lanh ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (chieu xanh)) - hanh trung cua ban nong lanh ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (chieu xanh)) - hanh trung cua ban nong lanh ((toan cao) or (toan ban))*.