Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
thuat canh » thuat cong, thuat san, thuat chan
thuat lanh » thuat lap, thuat san
cua nganh » cua ngan, chuc nganh, cua nhan
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
su bach » vu bach, su sach, huu bach
mai tap » bai tap, mai tat, mai tan
va phan » van phan, va phat, va phap
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: su bach mai tap, nghien cua nganh ((thuat canh) or (thuat lanh)) khoa hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su bach mai tap, nghien cua nganh ((thuat canh) OR (thuat lanh)) khoa hoc xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: su bach mai tap, nghien cua nganh ((thuat canh) or (thuat lanh)) khoa hoc xa hoi va phan van*.