Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
hanh cua » manh cua, hang cua, hanh sua
van hanh » van thanh, ban hanh, van anh
so sanh » do sanh
cac toc » cac toi, cac nuoc, cac thoi
sanh ty » sach ty, canh tay
cac loc » cac lop, cac hoc, cac nuoc
hieu ve » hieu va, hieu van
xang xa » lang xa, mang xa, ang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty xang xa hoi. hieu ve ((cac loc) OR (cac toc)) van hanh cua ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty xang xa hoi. hieu ve ((cac loc) OR (cac toc)) van hanh cua ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ty xang xa hoi. hieu ve ((cac loc) OR (cac toc)) van hanh cua ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: so sanh ty xang xa hoi. hieu ve ((cac loc) OR (cac toc)) van hanh cua ((cua triet) or (cua viet))*.