Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
chieu sach » chinh sach, chiet tach, chieu sang
trinh biet » trinh viet, trinh thiet, trinh triet
trinh bien » trinh dien, trinh tieng, trinh tin
duong manh » duong van
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu sach - hanh ((trinh biet) or (trinh bien)) nhung duong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trinh biet) OR (trinh bien)) nhung duong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trinh biet) or (trinh bien)) nhung duong manh toan ban*.