Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
luat nhung » luat chung, thuat nhung, cua nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san chan » san chang, dan chan, san chay
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trinh ((luat nhung) OR (luat thuong)) cong san chan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh ((luat nhung) OR (luat thuong)) cong san chan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh ((luat nhung) OR (luat thuong)) cong san chan ban*.