Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pan cac cong snippets" » "pan cua cong snippets", "phan cac cong snippets", "dan cac cong snippets", "gian cac cong 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: (((("pan cac cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pan cac cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pan cac cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pan cac cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.