Perhaps you should try some spelling variations:
danh khoa » doanh khoa, anh khoa, danh hoa
luan hoan » luan van
toc sach » hoc sach, doc sach, thuoc sach
hoc danh » hoc dan, hoc anh, hoc hanh
khoa hoc » hoa hoc
hoi luan » hoa luan, hoc luan, khoa luan
hoan van » hoang van, hoa van, doan van
doi dap » hoi dap, doi dau, do dap
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) doi dap, nghien cuu mon hoc danh khoa hoc xa hoi luan hoan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) doi dap, nghien cuu mon hoc danh khoa hoc xa hoi luan hoan van".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) doi dap, nghien cuu mon hoc danh khoa hoc xa hoi luan hoan van*.