Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong va tran slippers" » "dong va tran slippers", "cong ha tran slippers", "cong tac tran slippers", "cong va trang slippers", "cong va trac slippers", "cong va tran slippery", "cong va tran 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 va tran 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 va tran slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong va tran slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong va tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.