Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty sang » ty xang, ty hang, duy sang
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi
ve cac » va cac, vien cac
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: tu sach ty sang ((ma hoi) or (xa hoi)). hieu ve cac xuc va hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty sang ((ma hoi) OR (xa hoi)). hieu ve cac xuc va hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty sang ((ma hoi) or (xa hoi)). hieu ve cac xuc va hanh hai cua tre*.