Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat da cho snippets" » "mat dan cho snippets", "mat ma cho snippets", "vat da cho snippets", "mat dac cho snippets", "mat day cho 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: (((("mat da cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat da cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat da cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat da cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.