Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac den cong snippets" » "mac dien cong snippets", "mac den dong snippets", "mac len cong snippets", "mac dep cong snippets", "man den cong snippets", "tac den 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 den 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 den cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac den cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac den cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.