Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
toc sach » hoc sach, doc sach, nuoc sach
sang tao » hang tai
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc ban » duc tan, duc van, dua ban
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 (thuoc sach)) ky sang tao hoi. hieu ve pham duc ban thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuoc sach)) ky sang tao hoi. hieu ve pham duc ban thanh lap cua te.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuoc sach)) ky sang tao hoi. hieu ve pham duc ban thanh lap cua te*.