Perhaps you should try some spelling variations:
ban thanh » ban hanh
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
ban hang » ngan hang
cham coc » cham soc, kham cuoc, chat co
vai cua » dai cua, hai cua, lai cua
te sach » toc sach
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, 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: te sach ((ly nang) or (ly vang)) x hoi. hieu van cham coc ((ban thanh) OR (ban hang)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) x hoi. hieu van cham coc ((ban thanh) OR (ban hang)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) or (ly vang)) x hoi. hieu van cham coc ((ban thanh) OR (ban hang)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ly vang)) x hoi. hieu van cham coc ((ban thanh) OR (ban hang)) vai cua te*.