Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong huong » cong thuong, cong luong, cong hung
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh cua » trinh cua, sinh cua, tinh chat
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: hoc thieu xanh - hanh tinh cua cong huong dan ((can ban) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tinh cua cong huong dan ((can ban) OR (chan doan)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tinh cua cong huong dan ((can ban) or (chan doan))*.