Perhaps you should try some spelling variations:
chuong dong » chuong duong, phuong dong, huong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trinh luan » trinh luat, trinh quan, trinh toan
trinh han » trinh quan
toan ban » van ban
co toan » co ton, so toan, cong toan

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 ((trinh luan) OR (trinh han)) chuong dong co toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((trinh luan) OR (trinh han)) chuong dong co toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trinh luan) OR (trinh han)) chuong dong co toan ban*.