Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hanh dai » hanh tai, hanh dao, vanh dai
cham xuc » cam xuc, chat xuc, cham soc
cuu tre » cua tre, cau tren
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
va cham » va chat, va tham
lang xa » dang xay, lang van
lang ha » long ha
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
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 (lang ha)) hoi. hieu va cham xuc va hanh dai ((cuu tre) OR (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((lang xa) OR (lang ha)) hoi. hieu va cham xuc va hanh dai ((cuu tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((lang xa) or (lang ha)) hoi. hieu va cham xuc va hanh dai ((cuu tre) OR (cau treo))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((lang xa) or (lang ha)) hoi. hieu va cham xuc va hanh dai ((cuu tre) OR (cau treo))*.