Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
danh khoa » doanh khoa, anh khoa, danh hoa
luan hoan » luan van
cong hoc » dong hoc, cong hoa, cong coc
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
te sach » toc sach
doi dap » hoi dap, do dap, doi dam
doi dau » doan dau
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 ((doi dap) OR (doi dau)), nghien thu cong hoc danh khoa hoc xa hoi luan hoan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((doi dap) OR (doi dau)), nghien thu cong hoc danh khoa hoc xa hoi luan hoan van".
• Adding a wildcard symbol may retrieve word variants: te sach ((doi dap) OR (doi dau)), nghien thu cong hoc danh khoa hoc xa hoi luan hoan van*.