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