Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
cong thanh » dong thanh, cong trinh, cong tan
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong manh » cong danh, duong manh, hoang manh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

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 trung cua nhung ((cong manh) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung cua nhung ((cong manh) OR (cong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung cua nhung ((cong manh) or (cong thanh)) toan cao*.