Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
gian dan » gian lang
thu anh » thuy anh, thu canh, thu oanh
anh hoc » sinh hoc, benh hoc, hinh hoc
mai hoi » mai khoi, dai hoi, lai hoi
ca gian » ca giang, ca giao, va gian
mo hoc » mon hoc, co hoc
ma hoi » xa hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu anh hoc tap, nghien cuu mo hoc nganh khong hoc ((ma hoi) or (mai hoi)) ca gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu anh hoc tap, nghien cuu mo hoc nganh khong hoc ((ma hoi) OR (mai hoi)) ca gian dan.
• Adding a wildcard symbol may retrieve word variants: thu anh hoc tap, nghien cuu mo hoc nganh khong hoc ((ma hoi) or (mai hoi)) ca gian dan*.