Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuoc sinh
thuat sach » thuat lanh, thuat san
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
nam tuc » nam thuc, nam truc, nam tu
va nam » van nam, ha nam, va nay
tuc va » thuc va, truc va, tuc xa
de va » de van, te va, ke 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) OR (thuat sach)) ky nang xa hoi. lieu va nam tuc va thanh de va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sach) OR (thuat sach)) ky nang xa hoi. lieu va nam tuc va thanh de va triet".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) OR (thuat sach)) ky nang xa hoi. lieu va nam tuc va thanh de va triet*.