Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan mao can snippets" » "van mao can snippets", "dan bao can snippets", "dan dao can snippets", "dan mao van snippets", "dan mao con snippets", "dan mat can 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: (((("dan mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan mao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan mao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.