Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
cuong tap » luong tap, cong tac, luong tai
hanh ban » thanh ban, hang ban, hanh san
cong tap » cong tac, cong tan, tong tap
toan ban » van ban
ban cua » ban quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sach)) - hanh ban cua nhung ((cong tap) or (cuong tap)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - hanh ban cua nhung ((cong tap) OR (cuong tap)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - hanh ban cua nhung ((cong tap) or (cuong tap)) toan ban*.