Perhaps you should try some spelling variations:
hoa doanh » toan doanh, hoa dan
doanh hoa » doanh khoa, doanh hoan, danh hoa
su sach » so sach, vu sach
hoi tap » hoi dap, hoi tai, hai tap
cuu mon » cuu mo, cuu mot, cuu cong
mon hoa » mon hoc, dong hoa, cong hoa
hoi cua » hoi chuc
ban dan » ban hang, ban hanh, ban quan
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 ((hoi tap) OR (hoc tap)), nghien cuu mon hoa doanh hoa hoc xa hoi cua ban dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((hoi tap) OR (hoc tap)), nghien cuu mon hoa doanh hoa hoc xa hoi cua ban dan".
• Adding a wildcard symbol may retrieve word variants: su sach ((hoi tap) OR (hoc tap)), nghien cuu mon hoa doanh hoa hoc xa hoi cua ban dan*.