Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hien hanh » dieu hanh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cua trong » cua truong, cua trung, qua trong
hinh cua » chinh cua, sinh cua, tinh cua
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban

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) or (hien hanh)) - hanh hinh cua trong cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hien hanh)) - hanh hinh cua trong cong anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hien hanh)) - hanh hinh cua trong cong anh tuan ban*.