Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc so de snippets" » "nuoc o de snippets", "nuoc xo de snippets", "nuoc ao de snippets", "nuoc so du snippets", "nuoc so dk snippets", "nuoc so do 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: (((("nuoc so de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nuoc so de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc so de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc so de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.