Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang xet con snippets" » "dang viet con snippets", "dang xay con snippets", "dang vat con snippets", "dang xet cong snippets", "dang xe con snippets", "dang diet con 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: (((("dang xet con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang xet con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang xet con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang xet con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.