Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoa doanh » toan doanh, hoa dan
doanh hoa » doanh khoa, doanh hoan, danh hoa
vu sach » su sach, vu khach
hoi tap » hoi dap, hoc tap, hoi tai
mot hoa » mon hoa, mot khoi, mot loai
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: ((vu sach) or (vu bach)) hoi tap, nghien cua mot hoa doanh hoa hoc xa hoi cua ban dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) hoi tap, nghien cua mot hoa doanh hoa hoc xa hoi cua ban dan.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu bach)) hoi tap, nghien cua mot hoa doanh hoa hoc xa hoi cua ban dan*.