Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cap thuong » chap thuong, ca thuong, cao thuong
trung cap » truong cao, trung tam
cong san » cong tac
hanh cac » hang cac, nhanh cay, hanh va
hanh cat » hanh luat, nhanh cay, hanh va

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 sach - thanh trung cap thuong cong san ((hanh cac) or (hanh cat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung cap thuong cong san ((hanh cac) OR (hanh cat)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung cap thuong cong san ((hanh cac) or (hanh cat))*.