Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc so danh slippers" » "duc do danh slippers", "duc so sanh slippers", "duc so dan slippers", "duc mo danh slippers", "duc sy danh slippers", "duc so danh slippery", "duc so 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: (((("duc so 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: (((("duc so danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc so danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc so danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.