Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con co deu snippets" » "cong co deu snippets", "con cho deu snippets", "con coi deu snippets", "con co dieu snippets", "con co dau 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 co deu 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 co deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con co deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con co deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.