Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
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
cam cuc » cam xuc, cham cuu, pham cuc
van cam » van nam, van lam, van cau
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
cua tre » cua te, cuu tre, cua triet
sach 2 » sach y
2 dang » 2 danh, _ dang, b dang

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 2 dang ((xay hoi) or (tay hoi)). hieu van cam cuc ban ((hanh vai) OR (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 2 dang ((xay hoi) OR (tay hoi)). hieu van cam cuc ban ((hanh vai) OR (hanh va)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 2 dang ((xay hoi) or (tay hoi)). hieu van cam cuc ban ((hanh vai) OR (hanh va)) cua tre*".