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
pham thu » pham thuc, pham thi, pham tu
thanh ve » hanh ve, thanh va, thanh vien
nham thu » nham thuc, nam thu, nhan thuc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang

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 ky lang xa hoi. hieu ve ((nham thu) or (pham thu)) van thanh ve ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ve ((nham thu) OR (pham thu)) van thanh ve ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. hieu ve ((nham thu) or (pham thu)) van thanh ve ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ve ((nham thu) or (pham thu)) van thanh ve ((cua triet) OR (su triet))*.