Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tan vo snippets" » "doi ban vo snippets", "doi tac vo snippets", "dai tan vo snippets", "doi than vo snippets", "doi tan voi snippets", "doi tan va 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: (((("doi tan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tan vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tan vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.