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