Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung ly do snippets" » "dung le do snippets", "dung la do snippets", "dung lam do snippets", "dung ly dao snippets", "dung ly doi snippets", "dung ly du 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: (((("dung ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ly do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ly do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.