Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh mang » nhanh mang, hanh trang, nhanh lang
vua thong » suat thong, xuat thong, cua thuong
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong san » cong tac
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh mang ((vua thong) or (va thong)) cong san ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh mang ((vua thong) OR (va thong)) cong san ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh mang ((vua thong) or (va thong)) cong san ((toan cao) or (van ban))*.