Perhaps you should try some spelling variations:
duong trong » dung trong
chieu sach » chinh sach, chieu sang, chieu xanh
hanh tranh » canh tranh, hanh trinh, hanh trang
trong dang » truong dang, trong dan, trong dong
bien tinh » bi tinh, yen tinh, diep tinh
tranh cua » doanh cua, manh cua
cua duong » cua dong, cua huong, qua duong
dang toan » dang tran, dan toan, dung toan
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 ((((bien tinh) or (chieu sach))) or (chiet tach)) - hanh tranh cua duong trong dang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((bien tinh) OR (chieu sach))) OR (chiet tach)) - hanh tranh cua duong trong dang toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((bien tinh) or (chieu sach))) or (chiet tach)) - hanh tranh cua duong trong dang toan ban*.