Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu hoi do snippets" » "huu ho do snippets", "huu hai do snippets", "cuu hoi do snippets", "huu hoi doi snippets", "huu hoi co snippets", "huu hoi o 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: (((("huu hoi 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: (((("huu hoi do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hoi do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hoi do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.