Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan dan chan snippets" » "dan dan gian snippets", "dan dan ca snippets", "dan van chat snippets", "dang dan chan snippets", "ban dan chan snippets", "dao dan chan 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: (((("dan dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan dan chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan dan chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.