Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan hat dan slippers" » "lan nhat dan slippers", "lang hat dan slippers", "lan ha dan slippers", "lan hat van slippers", "lan mat dan slippers", "lan nhat danh slippers", "lan hat dan slippery", "lan hat 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: (((("lan hat 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: (((("lan hat dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan hat dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan hat dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.