Perhaps you should try some spelling variations:
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
te sach » toc sach
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
danh di » danh du, xanh di, danh dien
cuu tre » cua tre, cau tren, cau treo
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 tru nang x hoi. hieu va cam xuc van ((danh di) or (hanh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tru nang x hoi. hieu va cam xuc van ((danh di) OR (hanh vi)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach tru nang x hoi. hieu va cam xuc van ((danh di) or (hanh vi)) cuu tre*.