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