Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
te sach » toc sach
sach lo » sach dao, sach doi, sach hoi
lo nang » ho nang, ly nang, loai nang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
soc ban » hoc ban, coc ban, so ban
vai cua » hai cua, lai cua, bai cua

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 xa hoi. ((hieu ve) or (hieu va)) cham soc ban thanh ((vai cua) OR (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach lo nang xa hoi. ((hieu ve) OR (hieu va)) cham soc ban thanh ((vai cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach lo nang xa hoi. ((hieu ve) or (hieu va)) cham soc ban thanh ((vai cua) OR (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: te sach lo nang xa hoi. ((hieu ve) or (hieu va)) cham soc ban thanh ((vai cua) OR (dai cua)) te*.