Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
cuu toan » cuu hoan, cua toan, huu toan
toan hoc » toan khoa, van hoc, hoa hoc
thu ban » thu hang
ban hoc » bang hoc, van hoc, bai hoc
hoi van » hoi va, hoi dan, hai van
van tan » van tuan, van ban, van tai
tan san » tai san, tan van, han san
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: thu ban hoc tap, nghien cuu toan hoc ((nganh khoa) or (nganh khong)) hoc xa hoi van tan san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ban hoc tap, nghien cuu toan hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi van tan san.
• Adding a wildcard symbol may retrieve word variants: thu ban hoc tap, nghien cuu toan hoc ((nganh khoa) or (nganh khong)) hoc xa hoi van tan san*.