Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, sach duoc
mach hoc » cach hoc, dich hoc, anh hoc
khoa dan » khoa dang, hoa dan, khoa can
dan nhan » danh nhan, dan chan, van nhan
nhan van » nhan dan, nhan va, phan van
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
xa khoa » da khoa, bia khoa, tai khoa
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 ((sach hoc) or (mach hoc)) tap, nghien cuu mot hoc nganh khung hoc xa khoa dan nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach hoc) OR (mach hoc)) tap, nghien cuu mot hoc nganh khung hoc xa khoa dan nhan van.
• Adding a wildcard symbol may retrieve word variants: thu ((sach hoc) or (mach hoc)) tap, nghien cuu mot hoc nganh khung hoc xa khoa dan nhan van*.