Perhaps you should try some spelling variations:
chiet tach » chieu sach
tang nguoi » thang nguoi, tang nguon, nang nguoi
tranh cua » doanh cua, manh cua
nguoi dan » nguoi dao, nguoi san, nguong dan
cua tang » cua dang, cua hang, ca tang
dan toan » van toan, dan than, manh toan
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: doi ((chiet tach) or (chinh sach)) - canh tranh cua tang nguoi dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chiet tach) OR (chinh sach)) - canh tranh cua tang nguoi dan toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chiet tach) or (chinh sach)) - canh tranh cua tang nguoi dan toan tap*.