Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
van phong » van dong, hai phong
phong van » phung van, thong van, phong va
sach hoi » sach doi, sach moi, cach thoi
cuu nang » cam nang, cuu van, cao nang
tu sach » thu sach, su sach, te sach
hoi tap » hoi dap, hoc tap, hoi tai
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma
chuc » thuc, chu, chua

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