Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
sang tao » hang tai
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
ve pham » vi pham, ve phan, ve phat
lap cua » lai cua, lam cua, ap cua
tap cua » tap quan, tiep cua
v pham » vi pham, d pham

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky sang tao hoi. hieu ((ve pham) or (v pham)) duc va thanh ((lap cua) OR (tap cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky sang tao hoi. hieu ((ve pham) OR (v pham)) duc va thanh ((lap cua) OR (tap cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang tao hoi. hieu ((ve pham) or (v pham)) duc va thanh ((lap cua) OR (tap cua)) te*".