Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua cong toc snippets" » "cua cong toc snippets", "qua song toc snippets", "va cong toc snippets", "qua cong tac snippets", "qua cong coc snippets", "qua cong uoc 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: (((("qua cong toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua cong toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua cong toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua cong toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.