Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
hieu van » hieu va, thien van, lieu va
chat xuc » cam xuc, chao xu, chat cua
chat huu » pham huu
ban hanh » ban hang
hanh lam » thanh lap, hanh kem, hanh va
va triet » va thiet, va trien, ve triet
so sach » so sanh, bo sach, co sach
lam va » nam va, dam va, lam ha
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thu nang x hoi. hieu van ((chat xuc) or (chat huu)) ban hanh lam va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu nang x hoi. hieu van ((chat xuc) OR (chat huu)) ban hanh lam va triet.
• Adding a wildcard symbol may retrieve word variants: so sach thu nang x hoi. hieu van ((chat xuc) or (chat huu)) ban hanh lam va triet*.