Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhanh mang » nhanh lang, hanh mang, nhanh quang
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
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 nhung cong dan ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sang)) - nhanh mang cua nhung cong dan ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sang)) - nhanh mang cua nhung cong dan ((than cau) or (phan tu))*.