Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che ho di snippets" » "che do di snippets", "he ho di snippets", "che khoa di snippets", "che ho doi snippets", "che so di snippets", "che ho da 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: (((("che ho di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che ho di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che ho di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che ho di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.