Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
cua viet » hoa viet, cua vat, cua dieu
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
xuc van » duc van, luc van, xuc ban
ca viet » va viet, co viet, hoa viet
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 tru nang x hoi. hieu ((ve cam) or (va cam)) xuc van thanh vi ((cua viet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tru nang x hoi. hieu ((ve cam) OR (va cam)) xuc van thanh vi ((cua viet) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: su sach tru nang x hoi. hieu ((ve cam) or (va cam)) xuc van thanh vi ((cua viet) or (ca viet))*.