Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan chan do snippets" » "dan gian do snippets", "dan ca do snippets", "van chat do snippets", "dan chuan do snippets", "dan chan o snippets", "dan phan do 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 chan do 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 chan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan chan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan chan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.