Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong san bi slippers" » "cong tac bi slippers", "cong san bai slippers", "cong sang bi slippers", "cong san bi slippery", "cong san bi 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 san bi 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 san bi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong san bi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong san bi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.