Perhaps you should try some spelling variations:
dang van » hoang van, hang va
hanh dai » hanh tai, hanh dao, vanh dai
vu sach » vu bach, su sach, vu khach
thuc va » thuc vat, thuc dan, thuc day
huu tre » huu tri, huu them, huu tien
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
tuc va » truc va, tuc xa, duc va
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky dang van hoa. hieu va cam ((tuc va) or (thuc va)) hanh dai ((huu tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang van hoa. hieu va cam ((tuc va) OR (thuc va)) hanh dai ((huu tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky dang van hoa. hieu va cam ((tuc va) or (thuc va)) hanh dai ((huu tre) OR (cuu tre))*".