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