Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
hanh va » hang va, hanh vi
truc va » thuc va, thuc vat, trung va
van hoe » van hoa, van hoc, van hieu
ky lang » ky dang, ky tang, tay lang
tuc va » thuc va, tuc xa, duc va
va cua » va chua, via cua, ca cua
cua te » cua tu

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 nang)) van hoe. hieu van nam ((tuc va) OR (truc va)) hanh va cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) or (ky nang)) van hoe. hieu van nam ((tuc va) OR (truc va)) hanh va cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) or (ky nang)) van hoe. hieu van nam ((tuc va) OR (truc va)) hanh va cua te*.