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
hoc hieu » hoc thieu, hoc hien, hoc dieu
doc hieu » toc thieu, hoc thieu, hoc hien
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) OR (doc hieu)) cach - hanh trinh luat nhung cong ((dan toan) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (doc hieu)) cach - hanh trinh luat nhung cong ((dan toan) OR (ban than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (doc hieu)) cach - hanh trinh luat nhung cong ((dan toan) or (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (doc hieu)) cach - hanh trinh luat nhung cong ((dan toan) or (ban than)) cau*.