Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
thuc van » thuc vat, thuc dan, thuc va
cua tre » cua te, cuu tre, cua triet
danh di » danh du, xanh di, danh dien
su sach » so sach, vu sach
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
dinh di » dinh du, dinh vi, dinh da
van am » van nam, van lam, van dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (su sach)) ky lang van hoi. hieu van am thuc van ((dinh di) OR (danh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (su sach)) ky lang van hoi. hieu van am thuc van ((dinh di) OR (danh di)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (su sach)) ky lang van hoi. hieu van am thuc van ((dinh di) OR (danh di)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (su sach)) ky lang van hoi. hieu van am thuc van ((dinh di) OR (danh di)) cua tre*.