Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh tang » anh tang, hanh mang, hanh tung
luan tong » luan tuong, luan cong, luan dong
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan ban » tuan bang, toan ban, luan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tang) OR (hanh trang)) luan tong ((cong van) OR (cong san)) tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh tang) OR (hanh trang)) luan tong ((cong van) or (cong san)) tuan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tang) OR (hanh trang)) luan tong ((cong van) or (cong san)) tuan ban*.