Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con ban voi snippets" » "con bang voi snippets", "co ban voi snippets", "can ban voi snippets", "con ban moi snippets", "con ba voi snippets", "con ban noi 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 ban 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 ban voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con ban voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con ban voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.