Perhaps you should try some spelling variations:
ban hanh » ban hang
sach ky » sach y, sach ty, sach kem
xuc ban » duc ban, cuc ban, quoc ban
hieu ve » hieu va, hieu van
lang ha » long ha
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) ((nang ma) OR (lang ha)) hoi. hieu ve cam xuc ban hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) ((nang ma) or (lang ha)) hoi. hieu ve cam xuc ban hanh vi cua tre*.