Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
tuan hoang » quan hoang, tran hoang, xuan hoang
hoc thieu » toc thieu, hoc hien
trang qua » trong qua, trong quan, trang tuan
qua trong » quan trong, qua trinh, qua song
cong san » cong tac
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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