Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc viet ngu slippers" » "hoc viet ngu slippers", "thuc viet ngu slippers", "ngoc viet ngu slippers", "toc viet nam slippers", "toc viet tu slippers", "toc viet ngu slippery", "toc viet ngu 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: (((("toc viet ngu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc viet ngu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc viet ngu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc viet ngu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.