Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song ngu du snippets" » "song ngu cu snippets", "song ngu tu snippets", "song ngu dung snippets", "cong ngu du snippets", "dong ngu 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: (((("song ngu 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: (((("song ngu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song ngu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song ngu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.