Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
xuc ban » duc ban, quoc ban, xuat ban
sach ky » sac ky, sach y, sach ty
cuc ban » cua ban, cuu ban, duc ban
hanh de » hanh ve, hanh kem
cac ban » cac dan, cac van, can ban
de cua » le cua, te cua, dieu cua
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: tu sach ky nang mai hoi. hieu va chat ((xuc ban) or (((cuc ban) OR (cac ban)))) hanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang mai hoi. hieu va chat ((xuc ban) OR (((cuc ban) OR (cac ban)))) hanh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang mai hoi. hieu va chat ((xuc ban) or (((cuc ban) OR (cac ban)))) hanh de cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang mai hoi. hieu va chat ((xuc ban) or (((cuc ban) OR (cac ban)))) hanh de cua te*.