Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
xa hanh » xa thanh, xa khanh, va hanh
cua tre » cuu tre, cua triet, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ma hoi. hieu ((ve cac) or (va cam)) tuc xa hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu ((ve cac) OR (va cam)) tuc xa hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu ((ve cac) or (va cam)) tuc xa hanh vi ((cua tre) or (cua te))*.