Perhaps you should try some spelling variations:
cua triet » su triet, va triet
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
cua viet » ca viet, hoa viet, cua vat
sach ty » sach tu, sach thu, xach tay
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 ty) or (sach y)) hang xa hoi. hieu va cam xuc ban hanh vai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach y)) hang xa hoi. hieu va cam xuc ban hanh vai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach y)) hang xa hoi. hieu va cam xuc ban hanh vai ((cua triet) or (cua viet))*.