Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh de » hanh de, thanh do, thanh le
thanh ve » hanh ve, thanh va, thanh vien
va triet » va thiet, va trien, ve triet
sach ky » sac ky, sach y, sach ty
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

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ky nang xa hoi. lieu va nam tuc va ((thanh de) OR (thanh ve)) va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky nang xa hoi. lieu va nam tuc va ((thanh de) OR (thanh ve)) va triet".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang xa hoi. lieu va nam tuc va ((thanh de) OR (thanh ve)) va triet*.