Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dun do du snippets" » "dung do du snippets", "den do du snippets", "dung doi du snippets", "dun do duy snippets", "dun do duc snippets", "dun dao du 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: (((("dun do du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dun do du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dun do du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dun do du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.