Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat nhung » luat thuong, thuat nhung, cua nhung
luat chung » luan chung, luat thuong, cua chung
hien xanh » hien hanh, hien nhanh, chieu xanh
van hoang » van hoan, quan hoang, tran hoang
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh ((luat nhung) OR (luat chung)) cong ((dan toan) or (van hoang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh ((luat nhung) OR (luat chung)) cong ((dan toan) OR (van hoang)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh trinh ((luat nhung) OR (luat chung)) cong ((dan toan) or (van hoang)) cau*".