Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung phu du snippets" » "dung phan du snippets", "dung cho du snippets", "dung he du snippets", "dung phu dau snippets", "dung phu nu snippets", "dung khu 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 phu du 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 phu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.