Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan chung » luan chinh
hanh mang » nhanh mang, hanh trang, nhanh lang
luan hang » luan nang, luan han, luan hung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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 mang ((luan hang) or (luan chung)) cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh mang ((luan hang) OR (luan chung)) cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh mang ((luan hang) or (luan chung)) cong tan tran ban*.