Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
hieu ve » hieu van
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
vi cua » vai cua, di 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 thu nang ((xa hoi) or (x ho)). ((hieu ve) or (hieu va)) cam xuc van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu nang ((xa hoi) OR (x ho)). ((hieu ve) OR (hieu va)) cam xuc van hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach thu nang ((xa hoi) or (x ho)). ((hieu ve) or (hieu va)) cam xuc van hanh vi cua triet*.