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