Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
hieu van » hieu va, thien van, lieu va
sach ky » sac ky, sach ty, sach kem
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
dang xa » dang xay, lang xa, dang ha
cua tre » cua te, cuu tre, cua triet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach y)) dang xa 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: tu ((sach ky) OR (sach y)) dang xa 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: "tu ((sach ky) OR (sach y)) dang xa hoi. hieu van cam cuc ban ((hanh vai) or (hanh va)) cua tre*".