Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
sang tay » sang tao, sang tai, sang tac
va thanh » gia thanh, ban thanh, va tinh
hieu ve » hieu va, hieu van
lap cua » lai cua, tap cua, lam cua
ky sang » ky nang, ky dang, ky tang
tay hoi » tay ho, tao hoi, tay thai
hieu v » hieu va, hieu 2, hieu _
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 (doc sach)) ky sang tay hoi. ((hieu v) or (hieu ve)) pham duc va thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ky sang tay hoi. ((hieu v) OR (hieu ve)) pham duc va thanh lap cua te.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (doc sach)) ky sang tay hoi. ((hieu v) or (hieu ve)) pham duc va thanh lap cua te*.