Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
su sach » so sach
vu sach » vu bach, vu khach
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
va cam » va cham, va cac, va cao

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) or (vu sach)) ty hang xa hoi. hieu va cam xuc ban doanh tai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ty hang xa hoi. hieu va cam xuc ban doanh tai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ty hang xa hoi. hieu va cam xuc ban doanh tai ((cua triet) or (cua viet))*.