Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong huong » cong thuong, cong luong, cong hung
trinh cua » trinh luat, trinh quan, trinh luan
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » sinh cua, tinh chat, tranh cua
can ban » van ban, toan ban
doan » doanh, toan, soan

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 - nhanh ((tinh cua) OR (trinh cua)) cong huong dan ((can ban) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - nhanh ((tinh cua) OR (trinh cua)) cong huong dan ((can ban) OR (chan doan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - nhanh ((tinh cua) OR (trinh cua)) cong huong dan ((can ban) or (chan doan))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - nhanh ((tinh cua) OR (trinh cua)) cong huong dan ((can ban) or (chan doan))*.