Perhaps you should try some spelling variations:
hanh sua » hinh su, hanh va, hanh tu
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
van cam » van nam, van cau, van dam
van lam » van nam
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
loc va » hoc va, luc va
sua va » suat va, vua va, xua va

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. hieu ((van cam) OR (van lam)) loc va hanh sua va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu ((van cam) OR (van lam)) loc va hanh sua va triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ((van cam) OR (van lam)) loc va hanh sua va triet*.