Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
cham xuc » cam xuc, chat xuc, cham soc
su sach » so sach, vu sach
sach tu » sach thu, cach tu, sach ty
hai cua » thai cua, dai cua, hoi cua
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
nang ma » tang ma, sang ma, nang cao
mang xa » lang xa, mang may, dang xay
xuc va » duc va, tuc va, luc va

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

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