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