Perhaps you should try some spelling variations:
thuoc sinh » hoc sinh, thu sinh, thuoc sach
sinh ngoai » minh ngoai, dich ngoai, benh ngoai
nghien cua » nghien cuu, nghiep cua, nghiep vua
ngoai tap » ngoai tac, ngoai tai, ngoai tru
phan khoa » pham khoa, nhan khoa, phan hoa
hoc phan » hoc dan, hoc pho
khoa hoc » hoa hoc
vay luan » ly luan, von luan, bai luan
mot hoc » mon hoc, mo hoc, mot goc
va quan » van quan, tac quan, hai 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: thuoc sinh ngoai tap, nghien cua mot hoc phan khoa hoc xa hoi ((vay luan) or (va quan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sinh ngoai tap, nghien cua mot hoc phan khoa hoc xa hoi ((vay luan) OR (va quan)) van.
• Adding a wildcard symbol may retrieve word variants: thuoc sinh ngoai tap, nghien cua mot hoc phan khoa hoc xa hoi ((vay luan) or (va quan)) van*.