Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam dich can snippets" » "tam dich can snippets", "nam dinh can snippets", "van dich can snippets", "lam dich han snippets", "lam dich ran snippets", "lam lich can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lam dich can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam dich can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam dich can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam dich can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.