Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong vu va slippers" » "cuong vo va slippers", "cuong ve va slippers", "cong vu va slippers", "cuong vu van slippers", "cuong tu va slippers", "cuong su va slippers", "cuong vu va slippery", "cuong vu 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: (((("cuong vu 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: (((("cuong vu va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong vu va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong vu va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.