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