Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
te sach » toc sach
sach lo » sach dao, sach doi, sach hoi
vai cua » dai cua, hai cua, lai cua
hoc ban » hoc bang, hoc dan, hoc bai
soc ban » coc ban, so ban, soc ba
hieu va » lieu va, hieu qua
hieu ve » hieu van
lo nang » ho nang, ly nang, loai nang
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 lo nang x hoi. ((hieu ve) or (hieu va)) cham ((soc ban) OR (hoc ban)) thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach lo nang x hoi. ((hieu ve) OR (hieu va)) cham ((soc ban) OR (hoc ban)) thanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach lo nang x hoi. ((hieu ve) or (hieu va)) cham ((soc ban) OR (hoc ban)) thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach lo nang x hoi. ((hieu ve) or (hieu va)) cham ((soc ban) OR (hoc ban)) thanh vai cua te*.