Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
sang tay » sang tao, sang tai, sang tac
va thanh » gia thanh, ban thanh, va tinh
ky sang » ky nang, ky dang, ky tang
tay hoi » tay ho, tao hoi, tay thai
hieu vi » hieu voi, hieu va, hieu ve
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) OR (hoc sach)) ky sang tay hoi. hieu vi (pham or phan) duc va thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ky sang tay hoi. hieu vi (pham OR phan) duc va thanh lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (hoc sach)) ky sang tay hoi. hieu vi (pham or phan) duc va thanh lap cua te".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (hoc sach)) ky sang tay hoi. hieu vi (pham or phan) duc va thanh lap cua te*.