Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hoc phan slippers" » "doi hoc dan slippers", "doi hoc pho slippers", "doi hoac phan slippers", "dai hoc phan slippers", "hoi hoc phan slippers", "doi hoc phan slippery", "doi hoc phan 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: (((("doi hoc phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi hoc phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hoc phan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hoc phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.