Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
cuu phuong » cac phuong, thu phuong
cuc phuong » cac phuong, cua phuong, chuc thuong
ho chieu » theo chieu, hoc thieu, doi chieu
duong va » duong van, dung va, luong va
toan ban » van ban
va toan » van toan, bai toan, tap toan

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 tranh ((cuu phuong) or (cuc phuong)) duong va toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tranh ((cuu phuong) OR (cuc phuong)) duong va toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tranh ((cuu phuong) or (cuc phuong)) duong va toan ban*.