Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu gian don snippets" » "phu gia don snippets", "phu san don snippets", "thu gan don snippets", "phu gian dan snippets", "phu giang son snippets", "phu gian dien 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: (((("phu gian don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu gian don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu gian don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu gian don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.