Perhaps you should try some spelling variations:
xuat thuong » luat thuong, xuat thong, suat thong
hanh trinh » canh tranh, hanh chinh
trinh xuat » trinh luat, trinh xuan, trich xuat
chat sach » thuat sach, mat sach, pham sach
hoc chat » hoc phat, hoc cao, hoc phan
cong dan » cong san, cong tan, cong dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chat sach - hanh trinh xuat thuong ((cong dan) OR (huong dan)) thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chat sach - hanh trinh xuat thuong ((cong dan) OR (huong dan)) thanh san".
• Adding a wildcard symbol may retrieve word variants: hoc chat sach - hanh trinh xuat thuong ((cong dan) OR (huong dan)) thanh san*.