Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cong li slippers" » "tai cong li slippers", "thien cong li slippers", "thi cong ti slippers", "thi hong li slippers", "thi cong hai slippers", "thi cong li slippery", "thi cong li 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: (((("thi cong li slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi cong li slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cong li slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cong li slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.