Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhon vuc le snippets" » "nhon vu le snippets", "nhon tuc le snippets", "nhon luc le snippets", "nhan vuc le snippets", "ngon vuc le snippets", "hon vuc le 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: (((("nhon vuc le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhon vuc le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhon vuc le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhon vuc le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.