Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
hanh de » hanh ve, hanh kem
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, 5 hoi

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

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