Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cu 12 slippers" » "chung cu 12 slippers", "cong cau 12 slippers", "cong cu 11 slippers", "cong cu 12 slippery", "cong cu 12 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 cu 12 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 cu 12 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cu 12 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cu 12 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.