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