Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
khanh hoa » thanh hoa, hang hoa
thoi tap » toi tap, hoc tap, thoi dai
van tuan » van quan, van ban, anh tuan
tuan van » luan van, tran van, tan van
su cach » su sach, tu cach, su cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hoi dan, hai van
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su cach thoi tap, nghien cuu mon hoc ((nganh khong) or (khanh hoa)) hoc ma hoi van tuan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach thoi tap, nghien cuu mon hoc ((nganh khong) OR (khanh hoa)) hoc ma hoi van tuan van.
• Adding a wildcard symbol may retrieve word variants: su cach thoi tap, nghien cuu mon hoc ((nganh khong) or (khanh hoa)) hoc ma hoi van tuan van*.