Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
trinh han » trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
trinh he » trinh hoa, trinh thi, trinh ky
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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