Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong viet va slippers" » "cong viec va slippers", "thong viet va slippers", "nang viet va slippers", "cong viet van slippers", "cong viet ha slippers", "cong tiet va slippers", "cong viet va slippery", "cong viet va 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: (((("cong viet va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong viet va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong viet va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong viet va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.