Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
nam duoc » nam thuoc, da duoc, dat duoc
ha thanh » va thanh, pham thanh, phan thanh
sach ky » sach y, sach ty, sach kem
duoc ha » duoc ma, duc ha, duoc va
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
sac ky » sai ky
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: tu ((sach ky) or (((sac ky) or (cac ky)))) nang x hoi. hieu van nam duoc ha thanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (((sac ky) OR (cac ky)))) nang x hoi. hieu van nam duoc ha thanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (((sac ky) or (cac ky)))) nang x hoi. hieu van nam duoc ha thanh hai cua tre*.