Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
tang van » dang van, hoang van, trong van
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
hieu ve » hieu van
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
ha cua » hoa cua, hai cua, nha cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (toc sach)) ky tang van hoi. ((hieu ve) or (hieu va)) cac xuc va thanh ha cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ky tang van hoi. ((hieu ve) OR (hieu va)) cac xuc va thanh ha cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ky tang van hoi. ((hieu ve) or (hieu va)) cac xuc va thanh ha cua tre*.