Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao tim sach slippers" » "dao tim mach slippers", "dao tin sach slippers", "dao tinh sach slippers", "dai tim sach slippers", "dao kim sach slippers", "dau tim sach slippers", "dao tim sach slippery", "dao tim 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: (((("dao tim 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: (((("dao tim sach slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao tim sach slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tim sach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.