Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
phan lap » phan dau
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
tay hoi » tay ho, tay thai
tao hoi » tao khoi, tao boi, thao hoc
hieu vi » hieu voi, hieu va, hieu ve
va phan » van phan, va phat, va phap
lap cua » lai cua, tap cua, lam 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: toc sach ky sang ((tay hoi) OR (tao hoi)). hieu vi pham duc va phan lap cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang ((tay hoi) OR (tao hoi)). hieu vi pham duc va phan lap cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ky sang ((tay hoi) OR (tao hoi)). hieu vi pham duc va phan lap cua te*.