Perhaps you should try some spelling variations:
truc van » truc va, thuc van, truc ban
te sach » toc sach
hanh ve » hanh va, hanh kem
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
ty nang » ky nang, ty xang, ty hang
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: te sach ty nang x hoi. hieu va cam ((thuc vat) or (truc van)) ((hanh ve) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. hieu va cam ((thuc vat) OR (truc van)) ((hanh ve) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu va cam ((thuc vat) or (truc van)) ((hanh ve) or (hanh vi)) cua tre*.