Perhaps you should try some spelling variations:
hoc doanh » hoa doanh, hoc danh, hoc dan
doanh hoa » doanh khoa, doanh hoan, danh hoa
sach hoc » cach hoc, sach hoi, mach hoc
cua dang » cua cong, cua ban
dan phan » doan phan, dan chan, van phan
su sach » so sach, vu sach
cua dan » cua ban, ca dan
hoi dan » hoa dan, hoc dan, hoi dap
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: su sach hoc tap, nghiep ((cua dan) OR (cua dang)) hoc doanh hoa hoc xa hoi dan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghiep ((cua dan) OR (cua dang)) hoc doanh hoa hoc xa hoi dan phan tu".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghiep ((cua dan) OR (cua dang)) hoc doanh hoa hoc xa hoi dan phan tu*.