Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
dang cong » dung cong
ho chiet » ho thiet, hoc thiet, hoa thiet
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

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