Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh hat do snippets" » "nhanh ha do snippets", "nhanh hai do snippets", "nhanh hoan do snippets", "nhanh hat doi snippets", "nhanh hat dao snippets", "nhanh hat de 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: (((("nhanh hat 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: (((("nhanh hat do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh hat do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh hat do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.