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