Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong suc cac snippets" » "cong thuc cac snippets", "cong suat cac snippets", "cong chuc cac snippets", "cong suc cap snippets", "cong tuc cac snippets", "cong duc cac 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: (((("cong suc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong suc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong suc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong suc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.