Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat li cac snippets" » "mat lai cac snippets", "vat li cac snippets", "mat la cac snippets", "mat li ca snippets", "mat ly cac snippets", "mat loi cach 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 li cac 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 li cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat li cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat li cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.