Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh
tuan hoang » quan hoang, tran hoang, xuan hoang
hoc thieu » toc thieu, hoc hien
qua trong » quan trong, qua trinh, qua song
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((hanh trinh) OR (hanh chinh)) qua trong cong san ((tuan ban) or (tuan hoang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trinh) OR (hanh chinh)) qua trong cong san ((tuan ban) OR (tuan hoang))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh trinh) OR (hanh chinh)) qua trong cong san ((tuan ban) or (tuan hoang))*".