Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat nghe le snippets" » "day nghe le snippets", "da nghe le snippets", "dang nghe le snippets", "dat nghi le snippets", "dat nghe la snippets", "dat nghe te 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: (((("dat nghe le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat nghe le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat nghe le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat nghe le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.