Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vu ngoc lua slippers" » "vu ngon lua slippers", "vu ngoc tuan slippers", "vu nuoc luan slippers", "vu ngoc lua slippery", "vu ngoc 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: (((("vu ngoc 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: (((("vu ngoc lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vu ngoc lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vu ngoc lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.