Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
su sach » so sach, vu sach
ty nang » ky nang, ty xang, ty hang
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cuu tre, cua triet, dua tren
sach ty » sach y, sach tu, sach thu
xa hanh » xa thanh, xa khanh, va hanh
cua te » cua tu
va cam » va cham, va cac, va cao
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: su sach ty nang mai 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 ty nang mai 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 ty nang mai hoi. hieu ((ve cac) or (va cam)) tuc xa hanh vi ((cua tre) or (cua te))*.