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