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