Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat chung » luan chung, luat thuong, cua chung
luat hang » luat hanh, luat quang, luat huong
van toan » van tuan, van thanh, manh toan
theo te » theo tu, theo tieu, theo yeu
te sach » toc sach
van tan » van tuan, van ban, van tai

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

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