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