Perhaps you should try some spelling variations:
cuu tre » cau tren, cau treo
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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 ((nang xa) or (nang cao)) hoi. hieu ve cac xuc va hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (nang cao)) hoi. hieu ve cac xuc va hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (nang cao)) hoi. hieu ve cac xuc va hanh vi ((cua tre) or (cuu tre))*.