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