Perhaps you should try some spelling variations:
thanh hoa » thanh pho
thu sach » tu sach, thuat sach, thuoc sach
hanh lam » thanh lap, hanh kem, hanh va
sach tu » sach thu, cach tu, sach ty
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
hieu ve » hieu van
xuc va » duc va, tuc va, luc va
ang xa » lang xa, mang xa, dang xay
tu ang » tu lang, tu anc, tu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach tu ang xa hoi. ((hieu ve) or (hieu va)) cam xuc va ((thanh hoa) or (hanh lam)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tu ang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va ((thanh hoa) OR (hanh lam)) cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach tu ang xa hoi. ((hieu ve) or (hieu va)) cam xuc va ((thanh hoa) or (hanh lam)) cua tre*.