Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va triet » va thiet, va trien, cua triet
thanh te » thanh ve, thanh de, thanh le
va thanh » gia thanh, ban thanh, va tinh
trung va » truong va, trang va, trung ha
co sach » bo sach, cuon sach, hoc sach
sach va » sach xa, sach ha, sach dao
va nang » van nang, da nang, cam nang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: co sach va nang x hoi. hieu ((ve cam) or (va cam)) trung va thanh te ((va triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach va nang x hoi. hieu ((ve cam) OR (va cam)) trung va thanh te ((va triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach va nang x hoi. hieu ((ve cam) or (va cam)) trung va thanh te ((va triet) OR (ve triet))".
• Adding a wildcard symbol may retrieve word variants: co sach va nang x hoi. hieu ((ve cam) or (va cam)) trung va thanh te ((va triet) OR (ve triet))*.