Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong cua han slippers" » "cong cu han slippers", "dong cua han slippers", "huong cua han slippers", "cong cua nhan slippers", "cong cua hang slippers", "cong cua phan slippers", "cong cua han slippery", "cong cua han 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 cua han 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 cua han slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cua han slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.