Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don hoi dan slippers" » "dong hoi dan slippers", "dan hoi dan slippers", "doi hoi dan slippers", "don hoa dan slippers", "don hoc dan slippers", "don hoi dap slippers", "don hoi dan slippery", "don hoi 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: (((("don hoi 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: (((("don hoi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don hoi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don hoi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.