Perhaps you should try some spelling variations:
sach kho » bach khoa, sach dao, sach nha
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
gian lan » gian lang, gian dan, giang van
te sach » toc sach
tang xa » trang xa, tang ma, lang xa
van cac » van hac, van cau, van bac
cac duc » cac du, cao duc, cac dac
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: te sach kho tang xa hoi. hieu van cac duc va ((gianh lai) or (gian lan)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach kho tang xa hoi. hieu van cac duc va ((gianh lai) OR (gian lan)) cua te.
• Adding a wildcard symbol may retrieve word variants: te sach kho tang xa hoi. hieu van cac duc va ((gianh lai) or (gian lan)) cua te*.