Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
cham hoc » cham soc, chat hoc, cham hoi
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
hoc ban » hoc bang, hoc dan, hoc bai
ve cham » va cham, ve chat, vu cham
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
cua te » cua tu
o hoi » co hoi, o hoc, o hai
x hoi » xa 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 ((((x hoi) or (5 hoi))) or (o hoi)). hieu ve cham hoc ban thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((((x hoi) OR (5 hoi))) OR (o hoi)). hieu ve cham hoc ban thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((((x hoi) or (5 hoi))) or (o hoi)). hieu ve cham hoc ban thanh vai cua te*.