Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
thu bang » thu ban, thu hang, chu bang
hanh vai » hanh vi, hanh va, hanh tai
sach thu » sach thue, sach thieu, sach tham
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
bang xa » lang xa, bang va, mang xa
tuc va » thuc va, truc va, tuc xa

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 thu bang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach thu bang xa hoi. ((hieu ve) OR (hieu qua)) cam tuc va hanh vai ((cua triet) OR (cua viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach thu bang xa hoi. ((hieu ve) or (hieu qua)) cam tuc va hanh vai ((cua triet) OR (cua viet))*".