Perhaps you should try some spelling variations:
trong duong » tuong duong, thong duong, trong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
duong manh » duong van
hanh tang » hanh trang, anh tang, hanh mang
cua trong » cua truong, cua trung, qua trong
manh toan » thanh toan, anh tuan, tinh 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: theo chieu sach - ((hanh tang) or (canh tranh)) cua trong duong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh tang) OR (canh tranh)) cua trong duong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh tang) or (canh tranh)) cua trong duong manh toan ban*.