Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
cua phuong » cuu phuong, cuc phuong, luan phuong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
than cap » khan cap, thanh lap, thanh cac

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 - thanh thuong ((cua thong) or (cua phuong)) huong dan ((than cap) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh thuong ((cua thong) OR (cua phuong)) huong dan ((than cap) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh thuong ((cua thong) or (cua phuong)) huong dan ((than cap) or (phan tu))*.