Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua khong » hua khong, cua phuong, cua thuong
huong van » huong dan, duong van, hong van
cua nong » cua cong, cuu nong, cua dong
van toan » van tuan, van tan, van thanh
toan tap » toan 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) or (hieu manh)) - canh tranh ((cua khong) or (cua nong)) huong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu manh)) - canh tranh ((cua khong) OR (cua nong)) huong van toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu manh)) - canh tranh ((cua khong) or (cua nong)) huong van toan tap*.