Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
vao triet » va triet, mao triet, va trien
dang xay » dang van, van xay
lang xa » lang ha, lang van
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y ((lang xa) OR (dang xay)) hoi. hieu va cam xuc va danh di vao triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y ((lang xa) OR (dang xay)) hoi. hieu va cam xuc va danh di vao triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y ((lang xa) OR (dang xay)) hoi. hieu va cam xuc va danh di vao triet*.