Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong quy su slippers" » "cung quy su slippers", "cong ty su slippers", "cong cu su slippers", "cong quyen su slippers", "cong quy su slippery", "cong quy su 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 quy su 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 quy su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong quy su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong quy su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.