Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
va thanh » gia thanh, ban thanh, va tinh
sach ly » sach y, sach lo, sach hay
van cua » vang cua, ban cua, dan cua
cao duc » dao duc, cao suc, giao duc
cao xuc » cam xuc, cao suc, chat xuc
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
vang xa » lang xa, mang xa, ang xa
sach ty » sach y, sach tu, sach thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc ((sach ly) or (sach ty)) vang xa hoi. hieu va ((cao xuc) OR (cao duc)) va thanh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc ((sach ly) OR (sach ty)) vang xa hoi. hieu va ((cao xuc) OR (cao duc)) va thanh van cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc ((sach ly) or (sach ty)) vang xa hoi. hieu va ((cao xuc) OR (cao duc)) va thanh van cua tre".
• Adding a wildcard symbol may retrieve word variants: nuoc ((sach ly) or (sach ty)) vang xa hoi. hieu va ((cao xuc) OR (cao duc)) va thanh van cua tre*.