Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich dan so snippets" » "tich danh so snippets", "tich van so snippets", "tich can so snippets", "tich dan soc snippets", "tich dan su snippets", "tich dan mo 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: (((("tich dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.