Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kieng ke do snippets" » "kieng ky do snippets", "kien de do snippets", "khong ke do snippets", "kieng ke o snippets", "kieng ke co snippets", "kieng ke mo 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: (((("kieng ke do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieng ke do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kieng ke do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieng ke do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.