Perhaps you should try some spelling variations:
sach chu » sach che, sach thue, sach nha
qua cham » qua hai, qua cac, va cham
sach thu » sach thue, sach thieu, sach tham
bang xa » lang xa, bang va, mang xa
hang ly » huong ly
soc va » hoc va, loc va, goc va
doc va » duoc va, hoc va, duc va
ly cua » le cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach chu) OR (sach thu)) bang xa hoi. hieu qua cham ((soc va) or (doc va)) hang ly cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach chu) OR (sach thu)) bang xa hoi. hieu qua cham ((soc va) OR (doc va)) hang ly cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach chu) OR (sach thu)) bang xa hoi. hieu qua cham ((soc va) or (doc va)) hang ly cua te".
• Adding a wildcard symbol may retrieve word variants: toc ((sach chu) OR (sach thu)) bang xa hoi. hieu qua cham ((soc va) or (doc va)) hang ly cua te*.