Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat nhung » luat chung, luat thuong, thuat nhung
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tan toan » tap toan, dan toan, tam toan
van toan » van tuan, van tan, 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: hoc hien xanh - hanh trinh luat nhung cong ((((tan toan) OR (van toan))) or (tan tran)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh luat nhung cong ((((tan toan) OR (van toan))) OR (tan tran)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh trinh luat nhung cong ((((tan toan) OR (van toan))) or (tan tran)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh luat nhung cong ((((tan toan) OR (van toan))) or (tan tran)) ban*.