Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
toc sach » hoc sach, doc sach, thuoc sach
va triet » va thiet, va trien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
vi va » vi van, vai va, vu va

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) OR (toc sach))) or (thuat san)) ky lang xa hoi. hieu va cam xuc va hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((te sach) OR (toc sach))) OR (thuat san)) ky lang xa hoi. hieu va cam xuc va hanh vi va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((te sach) OR (toc sach))) or (thuat san)) ky lang xa hoi. hieu va cam xuc va hanh vi va triet".
• Adding a wildcard symbol may retrieve word variants: ((((te sach) OR (toc sach))) or (thuat san)) ky lang xa hoi. hieu va cam xuc va hanh vi va triet*.