Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
van thanh » ban thanh, van tuan
hieu vien » hieu hien, hieu viec, thieu nien
thai cua » than cua, tai cuc, tri cua
vien cac » vien bach, vien dai, vien da
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
tang ho » tang cho, tung ho, tang ha
cua tre » cua te, cuu tre, cua triet
tu can » tu ban, tu cac, thu canh

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) or (tu can)) ky ((tang ho) or (nang cao)) lai. hieu vien cac xuc van thanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (tu can)) ky ((tang ho) OR (nang cao)) lai. hieu vien cac xuc van thanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (tu can)) ky ((tang ho) or (nang cao)) lai. hieu vien cac xuc van thanh thai cua tre*.