Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
sach v » sach va, sach y, sach 2
bo van » vo van, so van, do van
vu ban » tu ban, va ban
v nang » va nang, vu nang, van nang
ve bao » te bao, va bao
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: tu sach v nang x hoi. hieu ((vu ban) or (ve bao)) bo van thanh vi ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang x hoi. hieu ((vu ban) OR (ve bao)) bo van thanh vi ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach v nang x hoi. hieu ((vu ban) or (ve bao)) bo van thanh vi ((cua triet) or (su triet))*.