Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham mo hoi snippets" » "phap mo hoi snippets", "pham ma hoi snippets", "pham o hoi snippets", "pham mo phoi snippets", "pham mo hoc snippets", "pham co hoi 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 mo 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 mo hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham mo hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham mo hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.