Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ninh duc co snippets" » "minh duc co snippets", "dinh duc co snippets", "tinh duc co snippets", "ninh duoc co snippets", "ninh duc con snippets", "ninh tuc co 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 co 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 co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ninh duc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ninh duc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.