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