Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi phap doc snippets" » "doi phat doc snippets", "gioi phap doc snippets", "hoc phap doc snippets", "doi phap hoc snippets", "doi phap coc snippets", "doi phap dot 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 phap doc 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 phap doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi phap doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi phap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.