Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
manh tung » manh hung, thanh tung
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
anh bang » anh hoang, anh quang, tinh bang
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 tinh - ((manh tung) or (anh bang)) cua dung cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((manh tung) OR (anh bang)) cua dung cong luan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((manh tung) or (anh bang)) cua dung cong luan van ban*.