Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh chua » trinh chuan, trinh cua, tinh chua
doi chieu » doc hieu, doi chi, ho chieu
trinh chu » trinh cau, trinh cho, trinh thuc
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh ((trinh chua) OR (trinh chu)) dang cong dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((trinh chua) OR (trinh chu)) dang cong dan than cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trinh chua) OR (trinh chu)) dang cong dan than cao*.