Perhaps you should try some spelling variations:
tay lang » tai lang, tay tang, tay quang
manh hai » lanh hai, minh hai, thanh hai
tu sach » thu sach, su sach, te sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va manh » van manh, va danh, va hanh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 ((tay lang) or (xay dung)) xay hoi. hieu va cam tuc va manh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tay lang) OR (xay dung)) xay hoi. hieu va cam tuc va manh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((tay lang) or (xay dung)) xay hoi. hieu va cam tuc va manh hai cua tre*.