Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang ngu noi snippets" » "dang nhu noi snippets", "dang nghe noi snippets", "dang ngoc noi snippets", "dang nu noi snippets", "dang ngu nguoi snippets", "dang nguoi noi 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 ngu noi 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 ngu noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang ngu noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang ngu noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.