Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vun hoa tiep snippets" » "vun hoa thiet snippets", "vun hoa viet snippets", "vun hoa tinh snippets", "van hoa tiep snippets", "vu hoa tiep snippets", "van hoan tiep snippets", "vun hoa tiep 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: (((("vun hoa tiep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vun hoa tiep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vun hoa tiep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vun hoa tiep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.