Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
cua dang » cua ban
nong san » cong san, dong san, nong dan
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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 ((cua dang) or (cua cong)) nong san ((tran ban) OR (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trang ((cua dang) OR (cua cong)) nong san ((tran ban) OR (tran van))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trang ((cua dang) or (cua cong)) nong san ((tran ban) OR (tran van))*".