Perhaps you should try some spelling variations:
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
hanh vai » hanh vi, hanh tai, hanh van
te sach » toc sach
hanh va » hang va, hanh vi
cuc ban » cua ban, cac ban, cuu ban
van cau » van dau, van hau, van chat
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa

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 ma hoi. thien ((van nam) or (van cau)) cuc ban ((hanh vai) OR (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tru nang ma hoi. thien ((van nam) OR (van cau)) cuc ban ((hanh vai) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tru nang ma hoi. thien ((van nam) or (van cau)) cuc ban ((hanh vai) OR (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach tru nang ma hoi. thien ((van nam) or (van cau)) cuc ban ((hanh vai) OR (hanh va)) cua tre*.