Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong doi va slippers" » "vong doi va slippers", "cong dot va slippers", "cong goi va slippers", "cong hoi va slippers", "cong noi va slippers", "cong dai va slippers", "cong doi va slippery", "cong doi va 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: (((("cong doi va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong doi va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong doi va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong doi va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.