Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
hanh va » hang va, hanh vi
xa hanh » xa thanh, xa khanh, va hanh
nam tuc » nam thuc, nam truc, nam tu
hieu va » lieu va, hieu qua
te sach » toc sach
van hoe » van hoa, van hoc, van hieu
ky tang » ky nang, ky dang, kho tang
ky lang » ky nang, ky dang, tay lang
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky tang)) van hoe. ((hieu van) OR (hieu va)) nam tuc xa hanh va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) or (ky tang)) van hoe. ((hieu van) OR (hieu va)) nam tuc xa hanh va cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) or (ky tang)) van hoe. ((hieu van) OR (hieu va)) nam tuc xa hanh va cua tre*.