Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang doi deu snippets" » "nang doc deu snippets", "nang noi deu snippets", "hang doi deu snippets", "nang doi dau snippets", "nang doi de snippets", "nang moi dieu 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: (((("nang doi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang doi deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang doi deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang doi deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.