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 hoi » sach doi, sach moi, cach thoi
nhan van » nhan dan, nhan va, phan van
te sach » toc sach
hoi tap » hoi dap, hoc tap, hoi tai
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap

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

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