Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ba cu snippets" » "pham bao cu snippets", "pham ma cu snippets", "pham va cu snippets", "pham ba cau snippets", "pham ba chu snippets", "pham bat cu 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 ba cu 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 ba cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ba cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ba cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.