Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con thon chi snippets" » "con than chi snippets", "cong thong chi snippets", "nong thon chi snippets", "con ho chi snippets", "con hop chi snippets", "con toan 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: (((("con thon 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: (((("con thon chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con thon chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con thon chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.