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