Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con su voi snippets" » "cong su voi snippets", "con tu voi snippets", "con cu voi snippets", "con sua voi snippets", "con su vi snippets", "con so voi 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: (((("con su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con su voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con su voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.