Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
toan cao » toan tap
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 ((hieu lang) or (chieu sach)) - canh tranh cua nhung huong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - canh tranh cua nhung huong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - canh tranh cua nhung huong dan ((toan cao) or (toan ban))*.