Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
ho chiet » ho chieu, ho thiet, hoc thiet
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, cong dong
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 (hoc thuyet)) tach - hanh trang cua dang ((cong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (hoc thuyet)) tach - hanh trang cua dang ((cong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (hoc thuyet)) tach - hanh trang cua dang ((cong dan) or (huong dan)) toan cao*.