Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
trinh cua » trinh luat, trinh quan, trinh luan
tinh cua » sinh cua, tinh chat, tranh cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap
ho chau » ha chau, ho chu, o chau

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

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