Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ninh con cho snippets" » "ninh co cho snippets", "sinh con cho snippets", "dinh chon cho snippets", "ninh cong cho snippets", "ninh ton cho snippets", "ninh con chi 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 con cho 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 con cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ninh con cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ninh con cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.