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
chau tinh » cuu tinh, ha tinh, cua tinh
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, than man, nhuan ban
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chau tinh) or (chieu sang)) - thanh trung cua thuong cong dan ((than ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chau tinh) OR (chieu sang)) - thanh trung cua thuong cong dan ((than ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) or (chieu sang)) - thanh trung cua thuong cong dan ((than ban) or (toan ban))*.