Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hoc bang » hoc bong, hoc tang, hoc dan
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
hoc ban » hoc dan, hoc bai, hoc can
sach ly » sach y, sach lo, sach ty
hieu ve » hieu va, hieu van
hieu vu » hieu va, hieu su, dieu vu
ly nang » ky nang, ly hang, ly vang
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 x hoi. ((hieu vu) OR (hieu ve)) cham ((hoc ban) or (hoc bang)) thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang x hoi. ((hieu vu) OR (hieu ve)) cham ((hoc ban) OR (hoc bang)) thanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang x hoi. ((hieu vu) OR (hieu ve)) cham ((hoc ban) or (hoc bang)) thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang x hoi. ((hieu vu) OR (hieu ve)) cham ((hoc ban) or (hoc bang)) thanh vai cua te*.