Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua van code slippers" » "qua van de slippers", "qua van hoe slippers", "qua van cong slippers", "quan van code slippers", "qua ban code slippers", "qua san 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 ("qua 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 ("qua van code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( qua van code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("qua van code slippers"))) or ("locating bug code snippets"))*.