Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac thi cong snippets" » "mac tai cong snippets", "mac thien cong snippets", "cac thi cong snippets", "tac thi cong snippets", "mai thi 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 thi 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 thi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac thi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac thi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.