Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
khong hoc » khung hoc, khong thuoc, khong chuc
thong hoc » thuong hoc, tuong hoc, thong hoa
sach hoi » sach doi, sach moi, cach thoi
dap nhan » dap nha, dac nhan, dam nhan
tu sach » thu sach, su sach, te sach
hoi tap » hoc tap, hoi tai, hai tap
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc

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 hoi tap, nghien cuu mo hoc nganh ((khong hoc) or (thong hoc)) xa hoi dap nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoi tap, nghien cuu mo hoc nganh ((khong hoc) OR (thong hoc)) xa hoi dap nhan va.
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tap, nghien cuu mo hoc nganh ((khong hoc) or (thong hoc)) xa hoi dap nhan va*.