Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va cham » va chat
va tham » van tham, va thanh, va thuat
y nang » ky nang, ly nang, v nang
soc va » hoc va, loc va, doc va
va dao » ca dao
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang xa hoi. lieu ((va cham) OR (va tham)) soc va dao ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. lieu ((va cham) OR (va tham)) soc va dao ((vi cua) OR (di cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. lieu ((va cham) OR (va tham)) soc va dao ((vi cua) or (di cua)) triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. lieu ((va cham) OR (va tham)) soc va dao ((vi cua) or (di cua)) triet*.