Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi van lieu slippers" » "phi vat lieu slippers", "phi van hieu slippers", "phi van lien slippers", "phi san lieu slippers", "thi van lieu slippers", "phi va lieu slippers", "phi van lieu slippery", "phi van lieu 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: (((("phi van lieu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi van lieu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi van lieu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi van lieu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.