Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao cao sach slippers" » "tao co sach slippers", "tao ao sach slippers", "tao cau sach slippers", "bao cao sach slippers", "toan cao sach slippers", "tao cao sach slippery", "tao cao sach grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tao cao 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: (((("tao cao sach slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao cao sach slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao cao sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.