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
sach hoc » cach hoc, mach hoc, sach duoc
sach hoi » sach doi, sach moi, cach thoi
dan phan » doan phan, dan chan, van phan
phan van » pham van, thanh van, luan van
hoi dan » hoa dan, hoc dan, hoi dap
mo hoc » mon hoc, co hoc
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: tu ((sach hoc) or (sach hoi)) tap, nghien cuu mo hoc nganh khong hoc xa hoi dan phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (sach hoi)) tap, nghien cuu mo hoc nganh khong hoc xa hoi dan phan van.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (sach hoi)) tap, nghien cuu mo hoc nganh khong hoc xa hoi dan phan van*.