Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
cham xuc » cam xuc, chat xuc, cham soc
su sach » vu sach
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu van
lang xa » lang ha, dang xay, lang van
so sach » so sanh, bo sach, co sach
o lang » hoa lang, hoi lang
xuc va » duc va, tuc va, luc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) o lang xa hoi. ((hieu ve) OR (hieu va)) cham xuc va hanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) o lang xa hoi. ((hieu ve) or (hieu va)) cham xuc va hanh dai cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) o lang xa hoi. ((hieu ve) or (hieu va)) cham xuc va hanh dai cua tre*.