Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc ngu du snippets" » "tuc ngu du snippets", "luc ngu du snippets", "truc ngu du snippets", "muc ngu cu snippets", "muc ngu tu snippets", "muc ngu dung 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: (((("muc ngu 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: (((("muc ngu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc ngu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc ngu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.