Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cua phuong » cuu phuong, cuc phuong, luan phuong
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua thuong, cua khong, cua tong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh trung ((cua thong) or (cua phuong)) cong tan thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung ((cua thong) OR (cua phuong)) cong tan thanh cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung ((cua thong) or (cua phuong)) cong tan thanh cau*.