Perhaps you should try some spelling variations:
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
truc van » truc va, thuc van, truc ban
te sach » toc sach
hanh di » hanh de, hang di, danh di
tuc van » thuc van, tuc va, duc van
va cham » va chat, va tham
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
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: te sach tru nang x hoi. hieu va cham ((tuc van) or (truc van)) ((hanh di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tru nang x hoi. hieu va cham ((tuc van) OR (truc van)) ((hanh di) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach tru nang x hoi. hieu va cham ((tuc van) or (truc van)) ((hanh di) or (hanh vi)) cua tre*.