Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"both nam van snippets" » "bo nam van snippets", "binh nam van snippets", "bon nam van snippets", "both nam dan snippets", "both nam va snippets", "both pham van snippets", "both nam van 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: (((("both nam van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("both nam van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( both nam van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("both nam van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.