Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
qua cam » qua cham, qua cac, qua ca
duc ban » duc tan, duc van, dua ban
hanh ve » hanh vi, hanh va, hanh kem
ve cua » le cua, de cua, te cua
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: te sach ty nang x hoi. hieu qua cam ((cua ban) or (duc ban)) hanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. hieu qua cam ((cua ban) OR (duc ban)) hanh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu qua cam ((cua ban) or (duc ban)) hanh ve cua triet*.