Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong danh » phuong anh, phuong dinh, phuong hanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trung quan » truong quan, trong quan, trung tuan
phuong dan » phuong doan, huong dan, phuong lan
quan thuc » luan thuc, qua thuc, quan chuc
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 sang - thanh trung quan thuc ((phuong dan) or (phuong danh)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh trung quan thuc ((phuong dan) OR (phuong danh)) than cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh trung quan thuc ((phuong dan) or (phuong danh)) than cau*.