Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
tranh cua » doanh cua, manh cua
dang song » nang song, dang cong, bang song
song manh » song hanh, song minh, song xanh
cua dang » cua cong, cua ban
toan cao » toan ban
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 (chieu xanh)) - canh tranh cua dang song manh ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - canh tranh cua dang song manh ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu xanh)) - canh tranh cua dang song manh ((toan cao) OR (toan tap))*".