Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang tai » hang tai, tang tai, sang tai
cac tuc » cac toc, cac tac, cac nuoc
tai cua » thai cua, tai cuc, tri cua
da nang » cam nang, kha nang, cao nang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac tu » cac thu, cach tu, cac du
sac ky » cac ky

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) lang xa hoi. hieu ve ((cac tuc) OR (cac tu)) da nang tai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (sai ky)) lang xa hoi. hieu ve ((cac tuc) OR (cac tu)) da nang tai cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (sai ky)) lang xa hoi. hieu ve ((cac tuc) OR (cac tu)) da nang tai cua triet*.