Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
cua tre » cua te, cuu tre, cua triet
cuu ban » cuu van, cua ban, cuu san
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cuc ban » cua ban, cac ban, duc ban
sac ky » cac ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cam ((cuc ban) or (cuu ban)) thanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cam ((cuc ban) OR (cuu ban)) thanh tri cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cam ((cuc ban) or (cuu ban)) thanh tri cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cam ((cuc ban) or (cuu ban)) thanh tri cua tre*.