Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"toc dan quoc snippets" » "toc dang quoc snippets", "toc han quoc snippets", "toc tran quoc snippets", "hoc dan quoc snippets", "toc dao quoc snippets", "toc san quoc snippets", "toc dan quoc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("toc dan quoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc dan quoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc dan quoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc dan quoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.