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