Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cua thuong » cua truong, cua phuong, ca thuong
trung cua » truong cua, trung tuan, trung cap
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
khan cap » khan ap, than cap, khoan cam

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