Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
chau tinh » cuu tinh, ha tinh, cua tinh
trinh cua » tinh cua, trinh quan, trinh luan
hoc chau » hoc chat, moc chau, hoc cau
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 - hanh ((trinh cua) OR (trinh luat)) trung cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chau tinh - hanh ((trinh cua) OR (trinh luat)) trung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - hanh ((trinh cua) OR (trinh luat)) trung cong dan toan cao*.