Perhaps you should try some spelling variations:
nang ma » tang ma, sang ma, nang cao
cua tre » cuu tre, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
va cau » van cau, va cac, va dau
sac ky » cac ky, sai ky
ve cau » ke cau, ve cac, le cau
ma hoi » mai hoi, xa hoi, ma hoa

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