Perhaps you should try some spelling variations:
lanh hai » manh hai, thanh hai, lang chai
hay lang » ha lang, tay lang, nhan lang
lang xay » dang xay, lang xa, luong xay
tu sach » thu sach, su sach, tu cach
hai cua » thai cua, dai cua, hoi cua
va lanh » va lang, va danh, va hanh
te sach » toc sach
xay hoi » xa hoi, tay hoi, cay phoi
cua tre » cua te, cuu tre, cua triet
ve 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) or (te sach)) hay lang xay hoi. hieu ((ve cac) OR (va cac)) xuc va lanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) hay lang xay hoi. hieu ((ve cac) OR (va cac)) xuc va lanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) hay lang xay hoi. hieu ((ve cac) OR (va cac)) xuc va lanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) hay lang xay hoi. hieu ((ve cac) OR (va cac)) xuc va lanh hai cua tre*.