Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
tnhan tai » toan tai, nhan tao, han tai
ho chieu » theo chieu, hoc thieu, doi chieu
nhan ban » nhuan ban, nhat ban, nhan van
nhan dan » phan dau, gian dan
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
nhan tai » hang tai, van tai, toan tai

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 - ((nhan ban) OR (nhan dan)) va thong cong dan ((tnhan tai) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((nhan ban) OR (nhan dan)) va thong cong dan ((tnhan tai) OR (nhan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((nhan ban) OR (nhan dan)) va thong cong dan ((tnhan tai) or (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((nhan ban) OR (nhan dan)) va thong cong dan ((tnhan tai) or (nhan tai))*.