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