Perhaps you should try some spelling variations:
ban hanh » ban hang
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
duc ban » duc tan, duc van, dua ban
van lam » van nam
van cam » van nam, van cau, van dam
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
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 nang ma hoi. hieu ((van cam) or (van lam)) duc ban hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. hieu ((van cam) OR (van lam)) duc ban hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. hieu ((van cam) or (van lam)) duc ban hanh vi ((cua tre) or (cuu tre))*.