Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dung cong » dung trong
tinh cua » trinh cua, sinh cua, tinh chat
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
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: hoc ((chau tinh) OR (trieu tinh)) - hanh tinh cua dung cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chau tinh) OR (trieu tinh)) - hanh tinh cua dung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) OR (trieu tinh)) - hanh tinh cua dung cong dan toan cao*.