Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
nhanh mang » nhanh lang, hanh mang, nhanh quang
cua thuong » cua truong, cua phuong, ca thuong
cua thong » cua khong, cua tong, suat thong
luong ta » luong tai, luong tap, luong va
tuan cau » toan cau, quan cau, tuan cu
ta tuan » tai tuan, a tuan, ba tuan

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) or (chieu sach)) - nhanh mang ((cua thong) OR (cua thuong)) luong ta tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - nhanh mang ((cua thong) OR (cua thuong)) luong ta tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu sach)) - nhanh mang ((cua thong) OR (cua thuong)) luong ta tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu sach)) - nhanh mang ((cua thong) OR (cua thuong)) luong ta tuan cau*.