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