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