Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chiet tach » chieu sach
trinh luan » trinh quan, trinh han, trinh toan
toc chiet » toc thieu, hoc thiet, toc viet
van thang » van thanh, van khang, van hang
van than » van thanh, van tuan, van phan
luat » xuat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc chiet tach - hanh ((trinh luan) OR (trinh luat)) thuong cong ((van than) or (van thang)) man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chiet tach - hanh ((trinh luan) OR (trinh luat)) thuong cong ((van than) OR (van thang)) man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chiet tach - hanh ((trinh luan) OR (trinh luat)) thuong cong ((van than) or (van thang)) man".
• Adding a wildcard symbol may retrieve word variants: toc chiet tach - hanh ((trinh luan) OR (trinh luat)) thuong cong ((van than) or (van thang)) man*.