Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc doi de snippets" » "cuoc doi de snippets", "luoc doi de snippets", "nuoc do de snippets", "nuoc doi deu snippets", "nuoc dai de snippets", "nuoc moi de 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 doi 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 doi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc doi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc doi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.