Perhaps you should try some spelling variations:
sach kho » bach khoa, sach dao, sach nha
kho tang » cao tang
ve triet » va trien, su triet
te sach » toc sach
tang xa » trang xa, tang ma, lang xa
thuc va » thuc vat, thuc dan, thuc day
dinh ve » dinh ket, dinh van
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
ve ve » de ve, va ve, ke ve

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. lieu va cam ((xuc va) or (thuc va)) dinh ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach kho tang xa hoi. lieu va cam ((xuc va) OR (thuc va)) dinh ve ve triet.
• Adding a wildcard symbol may retrieve word variants: te sach kho tang xa hoi. lieu va cam ((xuc va) or (thuc va)) dinh ve ve triet*.