Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
cong thanh » dong thanh, cong trinh, truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong ty

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 xanh - hanh ((trinh quan) or (tinh cua)) nhung ((cong tan) or (cong thanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((trinh quan) OR (tinh cua)) nhung ((cong tan) OR (cong thanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trinh quan) or (tinh cua)) nhung ((cong tan) or (cong thanh)) van ban*.