Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ve xac slippers" » "phan le xac slippers", "phan va xac slippers", "pha ve xac slippers", "phan ve cac slippers", "phan ve tac slippers", "phan ve xac slippery", "phan ve xac 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 ve xac 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 ve xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ve xac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ve xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.