Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh chua » trinh chuan, trinh cua, tinh chua
trinh chu » trinh cau, trinh cho, trinh thuc
dung cong » dung trong
thanh ban » thanh van, thanh bac, thanh bai
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan

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

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