Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu sach, chieu xanh, hieu lang
tuong cua » truong cua, huong cua, thong cua
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
toan cau » 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 - thanh tuong cua thong ((cong dan) or (cong tan)) ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh tuong cua thong ((cong dan) OR (cong tan)) ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh tuong cua thong ((cong dan) or (cong tan)) ((than cau) or (toan cau))*.