Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thieu cua he snippets" » "hieu cua he snippets", "dieu cua he snippets", "bieu cua he snippets", "thieu cua che snippets", "thieu cua te snippets", "thieu cua le 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 cua he 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 cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.