Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thi hang » thi hanh, thi nang, thi hong
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
ty lang » tay lang, ty xang, ty hang
nam xuc » cam xuc, nam xua, nam thuc
xuc ban » duc ban, cuc ban, quoc ban
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: ((tu sach) or (vu bach)) ((ty lang) or (thi hang)) xa hoi. hieu van nam xuc ban hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu bach)) ((ty lang) OR (thi hang)) xa hoi. hieu van nam xuc ban hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu bach)) ((ty lang) or (thi hang)) xa hoi. hieu van nam xuc ban hanh vi cua triet*.