Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
hanh trinh » canh tranh, hanh chinh
cap thuong » chap thuong, ca thuong, cao thuong
tieu sach » chieu sach, dien sach, te sach
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - ((thanh trung) or (hanh trinh)) cap thuong cong tac phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((thanh trung) OR (hanh trinh)) cap thuong cong tac phan tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((thanh trung) or (hanh trinh)) cap thuong cong tac phan tap*.