Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long van tan slippers" » "luong van tan slippers", "song van tan slippers", "lang van tan slippers", "long van tuan slippers", "long van ban slippers", "long van tai slippers", "long van tan slippery", "long van tan 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: (((("long van tan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long van tan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long van tan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long van tan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.