Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
te mach » ke mach, te sach, tim mach
hoi van » hoi va, hoi dan, hai van
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 mach hoc tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi van thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te mach hoc tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi van thanh van".
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi van thanh van*.