Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sam tu cung snippets" » "sam tu chung snippets", "sam tu cuong snippets", "sam tuc cung snippets", "nam tu cung snippets", "cam tu cung snippets", "dam tu cung 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: (((("sam tu cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam tu cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sam tu cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sam tu cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.