Perhaps you should try some spelling variations:
tranh luat » trinh luat, tranh luan, trinh luan
tieu sach » chieu sach, dien sach, te sach
luat hang » luat hanh, luat chung, luat quang
hang cong » dang cong, hang nong, bang cong
van toan » van thanh, manh toan, xuan toan
van tuan » van quan, van ban, anh tuan
van tan » van ban, van tai, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - canh tranh luat hang cong ((van toan) or (((van tan) OR (van tuan)))) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh tranh luat hang cong ((van toan) OR (((van tan) OR (van tuan)))) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - canh tranh luat hang cong ((van toan) or (((van tan) OR (van tuan)))) tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh tranh luat hang cong ((van toan) or (((van tan) OR (van tuan)))) tap*.