Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va
xuc van » duc van, luc van, xuc ban
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
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 tang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van hanh vi ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van hanh vi ((cua tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van hanh vi ((cua tre) or (cau treo))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van hanh vi ((cua tre) or (cau treo))*.