Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con tuc dan slippers" » "con tu dan slippers", "ngon tuc dan slippers", "con thuc dan slippers", "con thuc day slippers", "con tung dan slippers", "con tuc dan slippery", "con tuc 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: (((("con tuc 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: (((("con tuc dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con tuc dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con tuc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.