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