Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhanh mang » nhanh lang, hanh mang, nhanh quang
trong dang » truong dang, trong dan, trong dong
hieu manh » chieu xanh, hieu nganh, dieu hanh
dang than » dang thanh, sang than, dang tran
mang cua » manh cua, dung cua, ban cua
cua dung » cua dang, cua dong, qua dung
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 ((hieu manh) or (chieu sang)) - nhanh mang cua dung trong dang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sang)) - nhanh mang cua dung trong dang than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sang)) - nhanh mang cua dung trong dang than cau*.