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