Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
thien van » thi van
thanh vi » hanh vi, thanh va, thanh ve
xuc ban » duc ban, cuc ban, quoc ban
vu sach » vu bach, vu khach
hieu ve » hieu va, hieu van
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
su sach » so sach
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: ((vu sach) OR (su sach)) ky dang ma hoa. ((hieu ve) or (thien van)) cam xuc ban thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ky dang ma hoa. ((hieu ve) OR (thien van)) cam xuc ban thanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) ky dang ma hoa. ((hieu ve) or (thien van)) cam xuc ban thanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (su sach)) ky dang ma hoa. ((hieu ve) or (thien van)) cam xuc ban thanh vi cua triet*.