Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu bang » thu ban, thu hang, chu bang
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
su sach » so sach
bang xa » lang xa, bang va, mang xa
vu sach » vu bach, vu khach
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa
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) OR (vu sach)) thu bang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) thu bang xa hoi. ((hieu ve) OR (hieu qua)) cam tuc va hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) thu bang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) thu bang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vi cua triet*.