Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong ma tu slippers" » "cuong _ tu slippers", "cuong ma thu slippers", "cuong mai tu slippers", "cuong may tu slippers", "cuong ma tu slippery", "cuong ma tu 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: (((("cuong ma tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong ma tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong ma tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong ma tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.