Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"te dan 2003 snippets" » "te doan 2003 snippets", "te doan 2006 snippets", "te danh 2003 snippets", "tre dan 2003 snippets", "ke dan 2003 snippets", "te dan 2003 slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("te dan 2003 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("te dan 2003 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( te dan 2003 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("te dan 2003 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.