Perhaps you should try some spelling variations:
cua viet » hoa viet, cua vat, cua dieu
ban hanh » ban hang
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xuc ban » duc ban, cuc ban, quoc ban
ca viet » va viet, co viet, hoa viet
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu ((ve cam) or (va cam)) xuc ban hanh vi ((cua viet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang x hoi. hieu ((ve cam) OR (va cam)) xuc ban hanh vi ((cua viet) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. hieu ((ve cam) or (va cam)) xuc ban hanh vi ((cua viet) or (ca viet))*.