Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
sang tao » hang tai
tao khoi » tao hoi, thao khoa, lao khoa
lai cua » dai cua, hai cua, lai chau
va kinh » va tinh, qua kinh
va dinh » van dinh, va tinh, vu dinh
ve phan » va phan, ke phan, ve phat
sach ky » sac ky, sach y, sach ty
ve pham » vi pham, v pham, ve phat
ky sang » ky nang, ky dang, ky tang
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: toc sach ky sang tao khoi. hieu ((ve pham) or (ve phan)) duc ((va dinh) OR (va kinh)) lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky sang tao khoi. hieu ((ve pham) OR (ve phan)) duc ((va dinh) OR (va kinh)) lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang tao khoi. hieu ((ve pham) or (ve phan)) duc ((va dinh) OR (va kinh)) lai cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ky sang tao khoi. hieu ((ve pham) or (ve phan)) duc ((va dinh) OR (va kinh)) lai cua te*.