Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong co tot snippets" » "dong co tot snippets", "cong cu tot snippets", "cong so tot snippets", "cong co dot snippets", "cong ca tot snippets", "cong co mot 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 co tot 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 co tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong co tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong co tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.