Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thai cuu » thai cua, tai cuc, thi cuc
anh thai » anh thi, anh tai, nhanh thai
tu sach » thu sach, su sach, te sach
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va
co hai » co dai, co hoi, so hai
o hai » so hai, o lai, _ hai

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 ky nang ((o hai) or (co hai)). ((hieu ve) OR (hieu van)) cac xuc van anh thai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((o hai) OR (co hai)). ((hieu ve) OR (hieu van)) cac xuc van anh thai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((o hai) or (co hai)). ((hieu ve) OR (hieu van)) cac xuc van anh thai cuu tre*".