Perhaps you should try some spelling variations:
dang thuong » hang thuong, dung thuong, dong thuong
dang thong » dong thong, mang thong, dang trong
quang toan » quang tuan, quang tran, quang doan
hien sach » kien sach, thien hach, chieu sach
dien sach » dien anh
hanh luan » khanh luan, hang luan, hanh luat
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (dien sach)) - hanh luan van ((dang thong) OR (dang thuong)) quang toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sach) OR (dien sach)) - hanh luan van ((dang thong) or (dang thuong)) quang toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) OR (dien sach)) - hanh luan van ((dang thong) or (dang thuong)) quang toan tap*.