Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh
thong danh » thong dan, thong lanh, thong thanh
trong danh » trong doanh, truong danh, trong anh
cao chieu » cao hieu, cac chieu, dao chieu
cua thong » cua thuong, cua khong, cua tong
tuan tu » tuan thu, tran tu, toan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao chieu sang - ((hanh trinh) OR (hanh chinh)) cua thong ((thong danh) or (trong danh)) tuan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao chieu sang - ((hanh trinh) OR (hanh chinh)) cua thong ((thong danh) OR (trong danh)) tuan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao chieu sang - ((hanh trinh) OR (hanh chinh)) cua thong ((thong danh) or (trong danh)) tuan tu".
• Adding a wildcard symbol may retrieve word variants: cao chieu sang - ((hanh trinh) OR (hanh chinh)) cua thong ((thong danh) or (trong danh)) tuan tu*.