Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh huong » thanh huong, anh huong, manh huong
trong luan » truong luan, tong luan, trong quan
hoc thieu » toc thieu, hoc hien
huong qua » huong cua, duong qua, huong que
qua dung » quang dung, su dung, qua song

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 huong qua dung trong luan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh huong qua dung trong luan van ban*.