Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac te cong snippets" » "mac tai cong snippets", "mac thi cong snippets", "mac thu cong snippets", "mac le cong snippets", "mac ke cong snippets", "mac tu cong 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: (((("mac te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mac te cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac te cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.