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