Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cua doanh » luat doanh, cua dang, cua dan
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
khoa hoc » hoa hoc
phan tan » phan van, phan tap, phan lan
tu sach » thu sach, su sach, te sach
va phan » van phan, va phat, va phap
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 hoc tap, nghien ((cua doanh) or (xuan toan)) hoc nganh khoa hoc xa hoi va phan tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien ((cua doanh) OR (xuan toan)) hoc nganh khoa hoc xa hoi va phan tan.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien ((cua doanh) or (xuan toan)) hoc nganh khoa hoc xa hoi va phan tan*.