Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cua dang » cua ban
cong dan » cong san, cong tan, huong dan
dan cao » dan ca, dam cao, dan bao
cao cap » cao chat

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

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