Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ren lua slippers" » "cong tren lua slippers", "hong ren lua slippers", "congo red lua slippers", "cong ten lua slippers", "cong benh lua slippers", "cong ren lua slippery", "cong ren lua 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 ren lua 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 ren lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ren lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ren lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.