Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
van thanh » ban thanh, van tuan
thai cuu » thai cua, tai cuc, thi cuc
sang tao » hang tai
cuu tre » cua tre, cau tren, cau treo
cam duc » cam xuc, cao duc, nam duoc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((lang xa) or (sang tao)) hoi. hieu va ((cam duc) OR (pham duc)) van thanh thai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (sang tao)) hoi. hieu va ((cam duc) OR (pham duc)) van thanh thai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang xa) or (sang tao)) hoi. hieu va ((cam duc) OR (pham duc)) van thanh thai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) or (sang tao)) hoi. hieu va ((cam duc) OR (pham duc)) van thanh thai cuu tre*.