Perhaps you should try some spelling variations:
giang van » hoang van, gian dan, giang day
dang van » hoang van, hang va
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sach ky » sac ky, sach y, sach ty
danh va » doanh va, hanh va, anh va
cua tre » cua te, cuu tre, cua triet
luc va » tuc va, loc va
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky ((giang van) or (dang van)) hoe. hieu van nam ((luc va) OR (duc va)) danh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((giang van) OR (dang van)) hoe. hieu van nam ((luc va) OR (duc va)) danh va cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((giang van) or (dang van)) hoe. hieu van nam ((luc va) OR (duc va)) danh va cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((giang van) or (dang van)) hoe. hieu van nam ((luc va) OR (duc va)) danh va cua tre*.