Perhaps you should try some spelling variations:
chiet tach » chieu sach
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong minh » cong vinh, song minh, tong minh
cong tinh » cong trinh, cong vinh, long tinh
ho chiet » ho chieu, ho thiet, hoc thiet
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 chiet tach - canh tranh cua nhung ((cong minh) or (cong tinh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh cua nhung ((cong minh) OR (cong tinh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua nhung ((cong minh) or (cong tinh)) toan ban*.