Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
cuu thuong » cuu phuong, cua thuong, cuu tuong
thuong hoc » truong hoc, tuong hoc, thuong ho
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
ban thanh » ban hanh, ban hang
sach hoi » sach doi, sach moi, cach thoi
va thanh » gia thanh, va tinh, le thanh
tu sach » thu sach, su sach, te sach
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 hoi dap, nghien cuu thuong hoc nganh khong hoc xa hoi ((va thanh) OR (ban thanh)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi dap, nghien cuu thuong hoc nganh khong hoc xa hoi ((va thanh) OR (ban thanh)) van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoi dap, nghien cuu thuong hoc nganh khong hoc xa hoi ((va thanh) OR (ban thanh)) van*.