Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hang vai » hang va, hang tai, hang hai
ban hang » ngan hang
vai cua » dai cua, hai cua, lai cua
soc ban » hoc ban, coc ban, so ban
va cham » va chat, va tham
ve cham » ve chat, vu cham, ve chim
ly hang » ly quang
ly nang » ky nang, ly vang, ly quang
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 ((ly nang) or (ly hang)) x hoi. hieu ((ve cham) or (va cham)) soc ban hang vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ly nang) OR (ly hang)) x hoi. hieu ((ve cham) OR (va cham)) soc ban hang vai cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ((ly nang) or (ly hang)) x hoi. hieu ((ve cham) or (va cham)) soc ban hang vai cua te*.