Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung

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 tang cua dung cong luan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tang cua dung cong luan van ban*.