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