Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
luat nhung » luat chung, luat thuong, thuat nhung
hoc chiet » hoc thiet, hoc nhiet, hoc hien
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
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 chiet tach - hanh trinh luat nhung ((cong dan) or (cong san)) ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - hanh trinh luat nhung ((cong dan) OR (cong san)) ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh trinh luat nhung ((cong dan) or (cong san)) ((toan tai) or (toan ban))*.