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