Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan cho can snippets" » "quan che can snippets", "quan chi can snippets", "quan chu can snippets", "quan cho cac snippets", "quan cho phan snippets", "quan cho 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: (((("quan cho 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: (((("quan cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.