Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » ho chieu, theo chu, thi chieu
cua thuong » cua truong, cua phuong, ca thuong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than sao
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: ((theo chieu) OR (theo tieu)) sach - anh tang cua thuong cong dan ((than cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - anh tang cua thuong cong dan ((than cao) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) sach - anh tang cua thuong cong dan ((than cao) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) sach - anh tang cua thuong cong dan ((than cao) or (than cap))*.