Perhaps you should try some spelling variations:
lang van » dang van, hoang van, giang van
tang van » dang van, hoang van, trong van
nam thuc » nam thuoc, am thuc, nam thu
su triet » su viet, su tien, ve triet
te sach » toc sach
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh va » doanh va, hanh va, anh va
cuu tre » cua tre, cau tren, cau treo
va nam » van nam, ha nam, va nay

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 _ ((lang van) OR (tang van)) hoi. lieu va nam thuc va danh va ((su triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach _ ((lang van) OR (tang van)) hoi. lieu va nam thuc va danh va ((su triet) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach _ ((lang van) OR (tang van)) hoi. lieu va nam thuc va danh va ((su triet) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach _ ((lang van) OR (tang van)) hoi. lieu va nam thuc va danh va ((su triet) or (cuu tre))*.