Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ninh duc hon snippets" » "minh duc hon snippets", "dinh duc hon snippets", "tinh duc hon snippets", "ninh duc hoan snippets", "ninh duc hong snippets", "ninh duc hoa 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: (((("ninh duc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ninh duc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ninh duc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ninh duc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.