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