Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
cua dong » chua dong, cua cong, cua dang
dong cao » duong cao, dong co, dong cho
cao toan » bao toan, cao tan, cao doanh
khoa hoc » hoa hoc
tu dich » chu dich, hut dich, luc dich
te dich » ve dich, tam dich, tap dich
va luan » vay luan, van luan, va quan
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: ((tu dich) OR (te dich)) hoc tap, nghien cua dong cao toan khoa hoc xa hoi va luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dich) OR (te dich)) hoc tap, nghien cua dong cao toan khoa hoc xa hoi va luan van".
• Adding a wildcard symbol may retrieve word variants: ((tu dich) OR (te dich)) hoc tap, nghien cua dong cao toan khoa hoc xa hoi va luan van*.