Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
toc sach » hoc sach, doc sach, thuoc sach
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cham so » cham soc, cham o, ham so
vai cua » dai cua, hai cua, lai cua
so ban » sao ban, so bang, co ban
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) OR (toc sach)) ly nang x hoi. hieu ve cham so ban thanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ly nang x hoi. hieu ve cham so ban thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ly nang x hoi. hieu ve cham so ban thanh vai cua te*.