Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, nhanh hung
hoc nhanh » hoc nganh, hoc phan
sach hoi » sach doi, sach moi, cach thoi
dung hoc » dong hoc, dung thuoc, trung hoc
dan phan » doan phan, dan chan, van phan
phan van » pham van, thanh van, luan van
tu sach » thu sach, su sach, te sach
hoi tap » hoi dap, hoc tap, hoi tai
xa khoa » da khoa, bia khoa, tai khoa
mo hoc » mon hoc, co hoc
xa hoa » xa hoi, ma hoa, va hoa

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 nhanh dung hoc ((xa hoa) OR (xa khoa)) dan phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi tap, nghien cuu mo hoc nhanh dung hoc ((xa hoa) OR (xa khoa)) dan phan van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tap, nghien cuu mo hoc nhanh dung hoc ((xa hoa) OR (xa khoa)) dan phan van*.